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DATA ANALYSIS, PROBABILITY AND STATISTICS 1. (edited by Monteiro) Grade 10 | Mathematics | Multiple Choice | 2005 | Question 37 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 The chart below separates the number of students majoring in math/science from students pursuing other majors at a state college. Students’ Majors by Class Freshmen Sophomores Juniors Seniors Math/Science Majors Other Majors 260 310 200 330 1390 1510 1450 1550 What percent of the math/science majors are seniors? A. 43% B. 30% C. 21% D. 5% DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 2. Grade 10 | Mathematics | Multiple Choice | 2005 | Question 36 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 The table below shows the test scores of 7 students. The scores are in order from least to greatest. Test Scores Student Score Janet 72 Mark 75 Luisa 77 Byron 81 Ray 84 Devin 86 Kamara 90 Which of the following would change the median of the scores? A. adding 5 points to Janet's score B. adding 5 points to Devin's score C. subtracting 5 points from Ray's score D. subtracting 5 points from Luisa's score DATA ANALYSIS, PROBABILITY AND STATISTICS 3. (edited by Monteiro) Grade 10 | Mathematics | Multiple Choice | 2005 | Question 35 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.2 The scatterplot below shows the ages and heights of 20 trees on a tree farm. If x = age in years and y = height in meters, which of the following equations best approximates the line of best fit for this scatterplot? A. B. y= x y= x+5 C. y = 2x D. y = 2x + 5 DATA ANALYSIS, PROBABILITY AND STATISTICS 4. Grade 10 | Mathematics | Multiple Choice | 2005 | Question 30 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 The stem-and-leaf plot below shows the scores on a history exam. Exam Scores 5 6 7 8 9 10 8 2 0 4 2 0 7 3 3 6 5 5 2 2 4 7 Key 6 | 2 represents 62 Which of the following measures of the data is greatest? A. mean B. median C. mode D. range (edited by Monteiro) DATA ANALYSIS, PROBABILITY AND STATISTICS 5. (edited by Monteiro) Grade 10 | Mathematics | Multiple Choice | 2005 | Question 28 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 Marcella’s homeroom had a party at a local arcade. Each of the 26 students attending played the same game. Marcella recorded the number of points that each student scored for that game and put the data into score intervals. The results are shown in the chart below. Arcade Game Scores Score Interval (in points) Number of Students 0 through 100 4 101 through 200 6 201 through 300 4 301 through 400 7 401 through 500 3 501 through 600 2 Based on the information in the chart, which interval contains the median score? A. 101 through 200 B. 201 through 300 C. 301 through 400 D. 401 through 500 DATA ANALYSIS, PROBABILITY AND STATISTICS 6. (edited by Monteiro) Grade 10 | Mathematics | Multiple Choice | 2005 | Question 23 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 A local university is divided into three colleges. The table below shows the number of students enrolled in each college. University Enrollment College Number of Students Arts and Sciences 8036 Business 2977 Law 1014 Which of the following circle graphs best represents the data in the table? A. B. C. D. DATA ANALYSIS, PROBABILITY AND STATISTICS 7. (edited by Monteiro) Grade 10 | Mathematics | Multiple Choice | 2005 | Question 22 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 Four major underwater tunnels were constructed in New York City between 1925 and 1950. The tunnels and their lengths are listed in the chart below. New York City Tunnel Lengths Tunnel Name Length Year (kilometers) Completed Holland 2.6 1927 Lincoln 2.5 1937 Queens-Midtown 1.9 1940 Brooklyn-Battery 1950 2.8 Which of the following is closest to the mean of these four lengths? A. 2.20 kilometers B. 2.35 kilometers C. 2.45 kilometers D. 2.55 kilometers DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 8. Grade 10 | Mathematics | Multiple Choice | 2005 | Question 14 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 The graph below shows the number of milligrams of a medication in the bloodstream from the time it was administered to 300 minutes after administration. Using the information from the graph, which of the following statements is true? A. The maximum amount of medication in the bloodstream was 12 milligrams. B. The minimum amount of medication was in the bloodstream 300 minutes after administration. C. The amount of medication in the bloodstream increased at a faster rate than it decreased. D. The maximum amount of medication was in the bloodstream 100 minutes after administration. DATA ANALYSIS, PROBABILITY AND STATISTICS 9. Grade 10 | Mathematics | Multiple Choice | 2005 | Question 2 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 The graph below shows the thickness of the ice on a lake during the colder months. Which of the following is closest to the number of days the ice was at least 3 inches thick? A. 30 B. 45 C. 60 D. 75 (edited by Monteiro) DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 10. Grade 10 | Mathematics | Multiple Choice | 2004 | Question 39 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 Keesha and her family visit her grandparents once a month. Keesha recorded the driving time to her grandparents' house for 6 trips in the chart below. Driving Times Month Time January 3 hours, 23 minutes February 3 hours, 5 minutes March 3 hours, 50 minutes April 3 hours, 52 minutes May 3 hours, 15 minutes June 3 hours, 35 minutes Based on the data in the chart, what is the mean driving time to Keesha's grandparents' house? A. 3 hours, 23 minutes B. 3 hours, 26 minutes C. 3 hours, 30 minutes D. 3 hours, 35 minutes DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 11. Grade 10 | Mathematics | Multiple Choice | 2004 | Question 30 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 The box-and-whisker plot shown below represents the heights, in inches, of the members of the Central High School girls’ basketball team. What is the median height of the members of the team? A. 67 inches B. 68 inches C. 69 inches D. 70 inches DATA ANALYSIS, PROBABILITY AND STATISTICS 12. Grade 10 | Mathematics | Multiple Choice | 2004 | Question 29 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 The circle graph below shows the colors of 160 marbles. What is the total number of green marbles? A. 8 B. 20 C. 40 D. 45 (edited by Monteiro) DATA ANALYSIS, PROBABILITY AND STATISTICS 13. (edited by Monteiro) Grade 10 | Mathematics | Multiple Choice | 2004 | Question 12 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 8.D.4 Shelley is registering at a hotel that has 14 rooms available on the first floor, 10 rooms available on the second floor, and 16 rooms available on the third floor. If Shelley is assigned one of these hotel rooms at random, what is the probability that it will be on the second floor? A. B. C. D. DATA ANALYSIS, PROBABILITY AND STATISTICS 14. (edited by Monteiro) Grade 10 | Mathematics | Multiple Choice | 2004 | Question 13 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 The chart below shows a random sample of students’ ages at a community college. 22 18 35 43 44 19 18 38 36 20 19 37 37 20 19 38 38 21 Administrators at the college constructed a histogram of the students’ ages. Which of the following histograms best represents the distribution of students’ ages? A. B. C. D. DATA ANALYSIS, PROBABILITY AND STATISTICS 15. (edited by Monteiro) Grade 10 | Mathematics | Multiple Choice | 2004 | Question 2 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 The chart below shows the heights of 13 players on a women's basketball team. Basketball Team Player Height 1 5 ft. 4 in. 2 5 ft. 6 in. 3 5 ft. 7 in. 4 5 ft. 7 in. 5 5 ft. 7 in. 6 5 ft. 9 in. 7 5 ft. 9 in. 8 5 ft. 10 in. 9 5 ft. 11 in. 10 5 ft. 11 in. 11 6 ft. 12 6 ft. 1 in. 13 6 ft. 2 in. If a player whose height is 6 feet 6 inches joined the team, which of the following statistical measures of players' heights would not change? A. mean B. median C. mode D. range DATA ANALYSIS, PROBABILITY AND STATISTICS 16. (edited by Monteiro) Grade 10 | Mathematics | Multiple Choice | 2003 | Question 39 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.2 Jenny studied the effect of light on plant growth. She graphed a scatterplot to represent her data. Which of the following best represents the equation for the line of best fit for the data shown? A. y = −0.4x + 5 B. y = 0.4x + 5 C. y = −4x + 5 D. y = 4x + 5 DATA ANALYSIS, PROBABILITY AND STATISTICS 17. (edited by Monteiro) Grade 10 | Mathematics | Multiple Choice | 2003 | Question 37 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 The mean exam score for 31 students in a geometry class was 79. The median exam score for the same set of students was 75. Two additional students took the exam at a later time and scored 65 and 93. How did the mean and median change when these two additional scores were included? A. The median increased and the mean stayed the same. B. The median stayed the same and the mean increased. C. The median and the mean both stayed the same. D. The median and the mean increased. DATA ANALYSIS, PROBABILITY AND STATISTICS 18. (edited by Monteiro) Grade 10 | Mathematics | Multiple Choice | 2003 | Question 32 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 The stem-and-leaf plot below shows the ages of 50 teachers in the Bernard Township school system. Based on the stem-and-leaf plot, what percent of the teachers are over 50 years of age? A. 26% B. 47% C. 51% D. 52% DATA ANALYSIS, PROBABILITY AND STATISTICS 19. (edited by Monteiro) Grade 10 | Mathematics | Multiple Choice | 2003 | Question 30 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.2 The students at Albemarle High held a car wash each week for 10 weeks to earn money for the student council. The students made the scatter plot below to represent the amount of the money they earned each week Which of the following equations best represents the line of best fit for these data? A. y = 110 B. y = 110x C. y = x + 55 D. y = −x + 55 DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 20. Grade 10 | Mathematics | Multiple Choice | 2003 | Question 26 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 8.D.4 The probability that a customer will bring 1, 2, 3, 4, 5, or 6 items to the express lane in a grocery store is shown in the chart below. Items Brought to an Express Lane Number of Items Probability 1 14% 2 11% 3 8% 4 11% 5 31% 6 25% What is the probability that a customer will bring less than 5 items to the express lane? A. 0.11 B. 0.31 C. 0.44 D. 0.75 DATA ANALYSIS, PROBABILITY AND STATISTICS 21. (edited by Monteiro) Grade 10 | Mathematics | Multiple Choice | 2003 | Question 10 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 8.D.4 Joshua spun the arrow on each spinner shown below exactly once. He recorded the sum of the resulting two numbers. What is the probability that the sum of the resulting two numbers will be 2? A. B. C. D. DATA ANALYSIS, PROBABILITY AND STATISTICS 22. (edited by Monteiro) Grade 10 | Mathematics | Multiple Choice | 2006 | Question 3 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.2 During the beginning of a recent storm, a weather broadcaster took temperature readings every half hour and plotted the data on the scatterplot below. Which of the following most closely approximates the equation of the line of best fit for the data? A. y = −40x + 40 B. y = −3x + 40 C. y = 40x + 40 D. y = 3x + 40 DATA ANALYSIS, PROBABILITY AND STATISTICS 23. (edited by Monteiro) Grade 10 | Mathematics | Multiple Choice | 2006 | Question 14 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 Cosmic Bowling Center has 100 bowling balls, and their weights range from 8 through 16 pounds. The frequency table below shows the number of balls by weight. Number of Bowling Balls by Weight Weight (pounds) 8 9 10 11 12 13 14 15 16 Number of Balls 4 9 3 10 2 18 17 24 13 What is the median weight per ball for the 100 bowling balls? A. 11 pounds B. 12 pounds C. 13 pounds D. 14 pounds DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 24. Grade 10 | Mathematics | Multiple Choice | 2006 | Question 40 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 The years of canoeing experience for each of 30 people who plan to go on a canoe trip are shown in the table below. Years of Canoeing Experience Number of Years Number of People Less than 3 9 3 through 6 12 More than 6 3 but less than 9 9 or more 6 In a circle graph that correctly shows this data, what is the measure of the central angle of the sector labeled "9 or more"? A. 6° B. 20° C. 72° D. 108° DATA ANALYSIS, PROBABILITY AND STATISTICS 25. (edited by Monteiro) Grade 10 | Mathematics | Multiple Choice | 2006 | Question 30 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 A local car dealership has 100 vehicles on its lot. The chart below shows the numbers of cars, vans, and trucks, both new and used. Vehicles at Dealership Number of Cars Number of Vans Number of Trucks New 4 7 9 Used 36 21 23 Based on the chart, what percent of the 100 vehicles are either new cars or new trucks? A. 11% B. 13% C. 20% D. 59% DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 26. Grade 10 | Mathematics | Multiple Choice | 2006 | Question 25 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 The stem-and-leaf plot below shows the prices, rounded to the nearest dollar, of 25 sweaters sold in the women' department at a store. Sweater Prices (in dollars) 2 0 1 1 2 2 4 8 9 3 1 1 2 3 4 4 6 8 9 4 1 2 3 5 5 5 0 2 5 What percent of the sweater prices are less than $40? A. 17% B. 40% C. 50% D. 68% Key 2 | 3 represents 23 DATA ANALYSIS, PROBABILITY AND STATISTICS 27. (edited by Monteiro) Grade 10 | Mathematics | Multiple Choice | 2008 | Question 38 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 Jeremy calculates his car’s gas mileage every time he buys gas for his car. The chart below shows the data from the last 5 times he bought gas. Gas Mileage for Jeremy’s Car Miles Gallons of Gas Gas Mileage (miles per gallon) 370 11.3 32.74 352 9.5 37.05 303 8.9 34.04 298 9.7 30.72 398 11.2 35.54 Based on the data in the chart, what is the range of gas mileage for Jeremy’s car? A. 2.80 miles per gallon B. 4.31 miles per gallon C. 4.82 miles per gallon D. 6.33 miles per gallon DATA ANALYSIS, PROBABILITY AND STATISTICS 28. Grade 10 | Mathematics | Multiple Choice | 2008 | Question 33 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 8.D.4 On the spinner shown below, the sizes of the sections are as follows: • Sections S and U are equal in size. • Sections R and T are equal in size. • The size of section S is half the size of section T. If Darryl spins the arrow one time, what is the probability that it will land on section S? A. B. C. D. (edited by Monteiro) DATA ANALYSIS, PROBABILITY AND STATISTICS 29. Grade 10 | Mathematics | Multiple Choice | 2008 | Question 28 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 The box-and-whisker plot below shows the distribution of the daily high temperatures, in degrees Fahrenheit, in the town of Clifton during the year 2004. Based on the box-and-whisker plot, in which of the following intervals of temperatures is it most likely that exactly 50% of the daily high temperatures are located? A. 38°F to 54°F B. 38°F to 81°F C. 54°F to 72°F D. 54°F to 81°F (edited by Monteiro) DATA ANALYSIS, PROBABILITY AND STATISTICS 30. Grade 10 | Mathematics | Multiple Choice | 2008 | Question 14 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 The heights, in inches, of the members of a soccer team are listed below. 66, 61, 71, 62, 64, 70, 64, 63, 72, 68 After a new member joined the team, the median height of all the members was 66 inches. Which of the following could be the height, in inches, of the new member? A. 68 B. 65 C. 64 D. 61 (edited by Monteiro) DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 31. Grade 10 | Mathematics | Multiple Choice | 2008 | Question 9 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 Shantel made the line plot below to show the numbers of points she and the other members of her team scored. Exactly three players scored more points than Shantel. Based on the line plot, what is the number of points that Shantel scored? A. 2 B. 3 C. 4 D. 5 DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 32. Grade 10 | Mathematics | Multiple Choice | 2008 | Question 3 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 Sharon took 24 nighttime photographs. The exposure times, in seconds, for her photographs are represented in the stem- and-leaf plot below. What is the median exposure time for her photographs? A. 24 seconds B. 25 seconds C. 27 seconds D. 28 seconds DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 33. Grade 10 | Mathematics | Multiple Choice | 2007 | Question 40 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 8.D.4 Leroy will arrive at Gary's house at a time between 2 p.m. and 4 p.m. this afternoon. At 2 p.m., Gary will begin to watch a two-hour television program. There are 15 minutes of commercials scheduled to be shown during each hour of the program. Assuming that Leroy's arrival time at Gary's house will be random, what is the probability that Leroy will arrive during a commercial? A. B. C. D. DATA ANALYSIS, PROBABILITY AND STATISTICS 34. (edited by Monteiro) Grade 10 | Mathematics | Multiple Choice | 2007 | Question 35 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 Justin drew the bar graph below to represent the time he allocated for each activity during one school day last week. Based on the data in the graph, which of the following best represents the ratio of the time Justin allocated for homework to the time he allocated for school? A. B. C. 4 D. 10 DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 35. Grade 10 | Mathematics | Multiple Choice | 2007 | Question 33 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 The girls' soccer coach scheduled practice for 10 days during soccer season. The table below shows the number of players who attended practice each day. Practice Attendance Each Day Day Number of Players 1 12 2 13 3 16 4 10 5 9 6 12 7 14 8 12 9 15 10 16 What is the range of the number of players who attended practice over the 10 days? A. 4 B. 7 C. 9 D. 16 DATA ANALYSIS, PROBABILITY AND STATISTICS 36. (edited by Monteiro) Grade 10 | Mathematics | Multiple Choice | 2007 | Question 26 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 A total of 100 people bought all of the tickets that were available for a school raffle. The frequency table below shows the number of people who bought each number of tickets listed. For example, 27 people bought 2 tickets each. For these 100 people, what was the mean number of tickets bought per person? A. 1.24 B. 2.24 C. 2.50 D. 3.20 DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 37. Grade 10 | Mathematics | Multiple Choice | 2007 | Question 23 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 The table below shows the numbers of days Mallory and her friends went skating last month. Numbers of Days of Skating Name Number of Days Angela 12 Chelsea 7 Latifa 11 Mallory 12 What are the mean and median for this set of data? A. mean = 10.5; median = 11.5 B. mean = 10.5; median = 9 C. mean = 12; median = 11.5 D. mean = 12; median = 9 DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 38. Grade 10 | Mathematics | Multiple Choice | 2007 | Question 10 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.2 Which of the following scatterplots is most likely to have a line of best fit represented by the equation y = –5x +2? A. B. C. D. DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 39. Grade 10 | Mathematics | Multiple Choice | 2007 | Question 3 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 The number of points scored by the Springdale Hawks in each of their last ten basketball games is shown in the stem-and-leaf plot below. What is the median number of points scored per game by the Hawks? A. 42 B. 44 C. 45 D. 47 DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 40. Grade 10 | Mathematics | Multiple Choice | 2009 | Question 39 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.2 Beth drew a scatterplot and then correctly drew the line of best fit for her scatterplot. The line of best fit had a slope of 2. Which of the following is most likely Beth’s scatterplot? A. B. C. D. DATA ANALYSIS, PROBABILITY AND STATISTICS 41. Grade 10 | Mathematics | Multiple Choice | 2009 | Question 33 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 The circle graph below shows the distribution of the ages of 24 team members. What is the median age, in years, of the team members? A. 15 B. 16 C. 17 D. 18 (edited by Monteiro) DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 42. Grade 10 | Mathematics | Multiple Choice | 2009 | Question 26 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 8.D.4 The diagram below shows a small, shaded square inside a larger square. A point is located at random inside the larger square. Based on the dimensions in the diagram, what is the probability that the point will be inside the small, shaded square? A. 34 B. 23 C. 12 D. 14 DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 43. Grade 10 | Mathematics | Multiple Choice | 2009 | Question 27 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 The graph below shows Danielle’s speed, in miles per hour, during the 24 minutes she spent riding her bicycle one day. Which of the following is closest to the number of minutes that Danielle’s speed was greater than 14 miles per hour? A. 3 B. 9 C. 18 D. 21 DATA ANALYSIS, PROBABILITY AND STATISTICS 44. (edited by Monteiro) Grade 10 | Mathematics | Multiple Choice | 2009 | Question 14 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.2 Cynthia and her father planted a tree in their front yard 8 years ago. The tree was 2 meters in height when it was planted. The scatterplot below shows how the height of the tree increased each year. Which of the following most closely approximates the equation of the line of best fit for the data points in the scatterplot? A. y = –2x + 2 B. y = 2x + 2 C. y = –12x + 2 D. y = 12x + 2 DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 45. Grade 10 | Mathematics | Multiple Choice | 2009 | Question 9 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 The numbers of pages that Millie read on each of the first seven days after she got a new book are shown in the box below. 15, 20, 15, 45, 30, 35, 15 What is the median number of pages Millie read per day for the seven days? A. 15 B. 20 C. 25 D. 45 DATA ANALYSIS, PROBABILITY AND STATISTICS 46. (edited by Monteiro) Grade 10 | Mathematics | Multiple Choice | 2009 | Question 1 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 A class of students took a mathematics test. The table below shows their scores and the number of students who received each score. Number of Students Who Received Each Score Score Number of Students 23 3 26 5 27 5 28 2 30 7 33 2 34 1 What is the median of the scores for the entire class of students? A. 26 B. 27 C. 29 D. 30 DATA ANALYSIS, PROBABILITY AND STATISTICS 47. (edited by Monteiro) Grade 10 | Mathematics | Open Response | 2005 | Question 42 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 The double bar graph below shows the number of male and female participants in three different activities at a Field Day. Each person participated in just one activity. a. Based on the information in the graph, what was the ratio of male to female participants overall? Show or explain how you got your answer. b. What percent of all of the female participants played volleyball? Show or explain how you got your answer. c. Sketch and label a circle graph that shows the information given in the graph for the female participants. Your sketch does not have to be exact but should show the sectors relatively proportioned. Explain how you determined the size of each sector. DATA ANALYSIS, PROBABILITY AND STATISTICS 48. (edited by Monteiro) Grade 10 | Mathematics | Open Response | 2004 | Question 31 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 In an experiment, Sue and Helise asked each of 30 students in a random sample of the juniors at their school to record the number of minutes they watched television on a Saturday and Sunday in April. The results, rounded to the nearest 30 minutes, are shown in the table. Minutes of Television Watching Total Number of Minutes of Television Watched on Saturday and Sunday Number of Junior Students 0 1 60 3 90 6 120 5 180 5 240 2 300 5 420 1 540 2 a. What number of minutes spent watching television should the girls report as the mode for this group of students? Justify your answer. b. Helise said that the median number of minutes for this group of students is 180, but Sue disagreed. Do you agree with Sue or Helise? Justify your answer. c. Suppose that Sue and Helise had used the entire class of 185 juniors as their sample. Based on the results from their smaller sample, what total number of the 185 juniors would probably have reported watching 300 minutes of television on that weekend? Show or explain how you obtained your answer. DATA ANALYSIS, PROBABILITY AND STATISTICS 49. (edited by Monteiro) Grade 10 | Mathematics | Open Response | 2003 | Question 21 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 The highest possible score on a college admissions math examination is 800. The stem-and-leaf plot shows the scores for a group of 20 students who were granted early admission to their chosen universities. a. What is the median score for these 20 students? Show or explain how you obtained your answer. b. What is the range of the scores for these 20 students? Show or explain how you obtained your answer. c. What are the lower (first) quartile and the upper (third) quartile? d. Make a box-and-whisker plot that displays the same data given in the stem-and-leaf plot above. Be sure to label the minimum, the lower quartile, the median, the upper quartile, and the maximum on your box-and-whisker plot. e. Explain the steps you would use to find the mean DATA ANALYSIS, PROBABILITY AND STATISTICS 50. (edited by Monteiro) Grade 10 | Mathematics | Open Response | 2006 | Question 31 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 Julie is training for a 5-kilometer race. She plotted the distances she ran for each of her first 8 training runs on the line plot below. Distance (in kilometers) Determine each of the following for this data set. Show or explain how you got each of your answers. a. • • • mean median mode Julie still has 2 training runs remaining before the race. She wants to run a distance of 7, 8, or 9 kilometers for each of the remaining runs. What distances, in kilometers, could Julie run for her 2 remaining training runs so that the mean of the distances for all 10 training runs is 5 kilometers? Show or explain how you got your answers. b. Using your answers from part (b), determine the following for the data set that includes the distances of all 10 training runs. Show or explain how you got each of your answers. c. • • median mode DATA ANALYSIS, PROBABILITY AND STATISTICS 51. (edited by Monteiro) Grade 10 | Mathematics | Open Response | 2008 | Question 42 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 Felicity's class helped scientists study monarch butterflies. The students caught butterflies, put an identifying tag on each one, and then released them. The next year scientists caught 24 of the tagged butterflies. They sent Felicity's class the table below, which shows the distance flown by each of the 24 butterflies. Distances Flown by Butterflies (in miles) 613 1366 1600 1371 1696 884 842 1886 239 1779 1604 2122 1090 1678 1885 1476 1803 1662 104 1665 1697 1669 120 857 a. What is the range of the distances, in miles, that the 24 butterflies flew? Show or explain how you got your answer. b. Copy the table below into your Student Answer Booklet. Complete your table by determining the number of butterflies that flew within each distance interval. Distance Intervals Flown by Butterflies Distance Interval (in miles) Number of Butterflies 0–600 601–1200 1201–1800 1801–2400 c. In your Student Answer Booklet, create a circle graph that shows the information in your table from part (b). Be sure to do the following: • Draw the sectors in your circle graph so that their sizes are reasonably accurate. • Label each sector of your graph with the distance interval it represents and the percent of the butterflies that flew within that distance interval. • Show how you determined each percent. • Include a title for your graph. DATA ANALYSIS, PROBABILITY AND STATISTICS 52. (edited by Monteiro) Grade 10 | Mathematics | Open Response | 2007 | Question 31 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 The table below shows the attendance at each of Eagle High School's home football games last season. a. What is the range of the attendance for the 8 home football games last season? Show or explain how you got your answer. Determine each of the following measures of the attendance for the 8 games. b. • • • mean median mode Show or explain how you got each of your answers. If the attendance at the 6th game is not included in the data set, which measure (mean, median, or mode) c. has the greatest increase in value when compared to your answers in part (b)? Show or explain how you got your answer. DATA ANALYSIS, PROBABILITY AND STATISTICS 53. (edited by Monteiro) Grade 10 | Mathematics | Open Response | 2009 | Question 17 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 Carla collects employment data. At the end of 2005, she asked a group of 24 employees at Company P how many years each had worked at that company. She asked the same question of a group of 24 employees at Company Q. The line plots below show her results, where each X represents one employee. a. For the group of employees at Company P, what are the following measures for the number of years worked by the end of 2005? Show or explain how you got each of your answers. o mode o median b. For the group of employees at Company Q, what are the following measures for the number of years worked by the end of 2005? Show or explain how you got each of your answers. o mode o median c. Without computing the mean for either group, use the line plots to determine which group of employees has the greater mean number of years worked by the end of 2005. Explain how you got your answer without computing the means. DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 54. Grade 10 | Mathematics | Short Answer | 2005 | Question 18 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 The circle graph shown below represents the membership of a service organization. In this organization, the members are female. Approximately what fractional part of the total membership consists of males who are 18 or older? of DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 55. Grade 10 | Mathematics | Short Answer | 2004 | Question 18 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 8.D.3 Latrice plans to ride her bicycle a mean of 80 miles per week. During the last four weeks, she has recorded distances of 76, 80, 82, and 74 miles. How many miles must Latrice ride this week to obtain a 5-week mean of 80 miles? DATA ANALYSIS, PROBABILITY AND STATISTICS 56. (edited by Monteiro) Grade 10 | Mathematics | Short Answer | 2003 | Question 19 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 The line plot below shows the average daily temperature in a city for each day during the month of April. What was the median temperature? DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 57. Grade 10 | Mathematics | Short Answer | 2006 | Question 19 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 Ms. Ruiz drew the histogram shown below on her board to display the score distribution for last week's Spanish quiz. Spanish Quiz Score Distribution What fraction of the students received a score of 70 or more? DATA ANALYSIS, PROBABILITY AND STATISTICS 58. (edited by Monteiro) Grade 10 | Mathematics | Short Answer | 2008 | Question 18 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 Davis is on the high school track team. The table below shows the number of laps he ran around the school’s track each day for 7 consecutive days. Number of Laps Each Day Day Mon. Tues. Wed. Thu. Fri. Sat. Sun. Number of Laps 8 11 7 9 10 11 12 What is the numerical difference between the median of the number of laps and the mode of the number of laps? DATA ANALYSIS, PROBABILITY AND STATISTICS 59. (edited by Monteiro) Grade 10 | Mathematics | Short Answer | 2007 | Question 19 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 8.D.4 Angelo placed 5 CDs into his CD player. There are 12 songs on each CD. Angelo set his CD player to select songs in a random order. What is the probability that the first song the CD player selects will be the 4th song on the 3rd CD? DATA ANALYSIS, PROBABILITY AND STATISTICS 60. (edited by Monteiro) Grade 10 | Mathematics | Short Answer | 2007 | Question 15 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 A "wheat penny" is a United States penny that has a picture of wheat on one side. These pennies were only produced from 1909 through 1958. The members of a coin-collecting group counted the number of wheat pennies in each of their collections. The line plot below shows the number of wheat pennies in each member's coin collection. What is the mode of the data in the line plot? DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 61. Grade 10 | Mathematics | Short Answer | 2009 | Question 19 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 The stem-and-leaf plot below shows the number of cars that crossed a bridge each day for 23 days. Number of Cars per Day That Crossed the Bridge 16 17 18 19 20 21 22 23 24 25 26 5 2 8 0 1 4 0 7 9 1 3 5 5 6 8 9 4 7 8 0 2 9 2 Key 24|9 represents 249 What was the median number of cars per day that crossed the bridge during this time period? DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 62. Grade 10 | Mathematics | Multiple Choice | 2002 | Question 6 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 8.D.4 Lani had a box that contained • • • • • 1 blue marble; 1 green marble; 1 purple marble; 1 yellow marble; and 2 red marbles. Lani removed one marble without looking, and she recorded the result. She placed the marble back in the box and repeated the procedure one more time. What is the probability that Lani removed a red marble followed by a blue marble? A. 1 36 B. 1 18 C. 1 3 D. 1 2 DATA ANALYSIS, PROBABILITY AND STATISTICS 63. Grade 10 | Mathematics | Multiple Choice | 2002 | Question 10 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.2 Use the graph below to answer the following question Which of the following equations best represents the data in the graph? A. y = 2x + 3 1 B. y= x+3 2 C. y = 2x – 3 1 D. y= x–3 2 (edited by Monteiro) DATA ANALYSIS, PROBABILITY AND STATISTICS 64. (edited by Monteiro) Grade 10 | Mathematics | Multiple Choice | 2002 | Question 14 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 The heights of the 20 players on a school soccer team are recorded in the box-and-whisker plot shown below. Based on the information given in the box-and-whisker plot, which of the following statements is true? A. The mean height of the team is 69 inches. B. Half the players' heights are between 67 and 72 inches. C. The shortest player on the team is 67 inches. D. The range of heights of players on the team is 5 inches. DATA ANALYSIS, PROBABILITY AND STATISTICS 65. (edited by Monteiro) Grade 10 | Mathematics | Multiple Choice | 2002 | Question 25 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 The circle graph below shows the Corbett family's monthly budget. The Corbett family has a total monthly income of $2,000. Mr. Corbett received a $100 per month raise. He increased the transportation expense portion of the monthly budget by $100. To the nearest percent, what portion of the Corbetts' income is now being spent on transportation expenses? A. 14 percent B. 19 percent C. 20 percent D. 21 percent DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 66. Grade 10 | Mathematics | Multiple Choice | 2002 | Question 29 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 The average life spans of some animals are shown in the chart below. Animal Life Spans Animal Average Life Span (in years) Bear 22 Chicken 7 Deer 12 Dog 11 Duck 10 Elephant 35 Fox 9 Horse 22 Hippopotamus 30 Wolf 11 Source: Farmer's Almanac 2000. Based on the information given in the chart, which of the following statistics yields the greatest numerical value? A. mean B. median C. mode D. range DATA ANALYSIS, PROBABILITY AND STATISTICS 67. (edited by Monteiro) Grade 10 | Mathematics | Multiple Choice | 2002 | Question 30 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 8.D.4 Janet is playing a game using the two spinners shown below. She will spin the arrow on each spinner once and will move a specified number of steps forward or backward according to the results of the spins. What is the probability that Janet will have to move backward less than 4 steps? A. 1 8 B. 3 8 C. 1 2 D. 3 4 DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 68. Grade 10 | Mathematics | Multiple Choice | 2002 | Question 32 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 8.D.4 In her closet, Megan has 6 different T-shirts, 5 different pairs of shorts, and 2 different hats. She pulls out 1 Tshirt, 1 pair of shorts, and 1 hat without looking. How many different combinations of 1 T-shirt, 1 pair of shorts, and 1 hat are possible? A. 11 B. 16 C. 32 D. 60 DATA ANALYSIS, PROBABILITY AND STATISTICS 69. Grade 10 | Mathematics | Multiple Choice | 2002 | Question 34 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 The bar graph below shows the distribution of scores on a biology test. Based on the graph, which of the following is not a valid conclusion? A. The total number of students tested was 27. B. At least 5 students scored fewer than 60 points. C. A total of 9 students scored 75 points or fewer. D. At least 8 students scored more than 80 points. (edited by Monteiro) DATA ANALYSIS, PROBABILITY AND STATISTICS 70. Grade 10 | Mathematics | Multiple Choice | 2001 | Question 3 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 The scatter plot below gives information about four different car trips. Which point represents the trip with the fastest average speed? A. point A B. point B C. point C D. point D (edited by Monteiro) DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 71. Grade 10 | Mathematics | Multiple Choice | 2001 | Question 9 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 8.D.4 Julie designed a target computer game. On her computer screen, the circular targets look like the circular areas shown below. If the computer randomly generates a dot that lands within the circular areas, what is the approximate probability that the dot will land in the shaded area? A. 1 9 B. 2 9 C. 1 3 D. 2 3 DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 72. Grade 10 | Mathematics | Multiple Choice | 2001 | Question 18 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 The table below shows the distribution of CD sales of different types of music in a local store over a three-year period. CD Sales Type Year 1 Year 2 Year 3 Rock 39.4% 36.2% 35.6% Pop 17.8% 16.5% 15.5% Rap 11.6% 10.4% 10.7% Country 7.7% 7.9% 7.8% Other 23.5% 29.0% 30.4% Total Sales (in thousands) $1,732.10 $2,269.30 $2,639.80 Based on this information, from Year 1 to Year 3 the total dollar value of this store's sales of pop music A. increased. B. decreased. C. stayed the same. D. Not enough information is given to tell. DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 73. Grade 10 | Mathematics | Multiple Choice | 2001 | Question 26 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 8.D.4 A set of 36 cards is numbered with the positive integers from 1 to 36. If the cards are shuffled and one is chosen at random, what is the probability that the number on the card is a multiple of both 4 and 6? A. 1 12 B. 1 6 C. 5 12 D. 2 3 DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 74. Grade 10 | Mathematics | Multiple Choice | 2001 | Question 36 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 The mean salary of the ten clerks at the Corner Shop was $8.50 per hour. One of the clerks, who had been making $9.50 per hour, was given a raise of $1.00 per hour. What is the new mean salary of the ten clerks? A. $8.50 B. $8.60 C. $8.80 D. $9.00 DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 75. Grade 10 | Mathematics | Multiple Choice | 2001 | Question 37 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 8.D.4 Joseph has two number cubes, each with faces labeled by the numbers -15, -10, -5, 5, 10, and 15. If Joseph rolls the two cubes and adds the resulting numbers, what is the probability that the sum will be 0? A. 1 36 B. 1 12 C. 1 4 D. 1 6 DATA ANALYSIS, PROBABILITY AND STATISTICS 76. (edited by Monteiro) Grade 10 | Mathematics | Multiple Choice | 2001 | Question 39 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 The box and whisker graph shown below represents the results of a survey of the estimated gas mileage of 100 car models. Which statistics -mean, median, mode, range- can be determined from this graph? A. mean only B. median only C. range and mean D. range and median DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 77. Grade 10 | Mathematics | Multiple Choice | 1998 | Question 4 Reporting Category: Data Analysis, Statistics, and Probability Objective(s): Which of the graphs most accurately depicts the wages earned with respect to the time worked? A. B. C. D. DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 78. Grade 10 | Mathematics | Multiple Choice | 1998 | Question 8 Reporting Category: Data Analysis, Statistics, and Probability Objective(s): Six students are participating in a fitness program. They are required to work out in pairs. How many different combinations of pairs of students are possible? A. 3 B. 5 C. 15 D. 30 DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 79. Grade 10 | Mathematics | Multiple Choice | 1998 | Question 11 Reporting Category: Data Analysis, Statistics, and Probability Objective(s): A test on a sample of 492 in-line skate wheels identified 3 defective wheels. Based on this rate of defects, approximately how many defective wheels will be found per 10,000 wheels? A. 20 B. 60 C. 100 D. 300 DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 80. Grade 10 | Mathematics | Multiple Choice | 1998 | Question 13 Reporting Category: Data Analysis, Statistics, and Probability Objective(s): One man and two women are seated randomly in a row. What is the mathematical probability that the two women are seated together? A. 1 3 B. 1 2 C. 2 3 D. 5 6 DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 81. Grade 10 | Mathematics | Multiple Choice | 1998 | Question 14 Reporting Category: Data Analysis, Statistics, and Probability Objective(s): In a bowling tournament, there were 2 scores in the 200s, 6 scores in the 180s, 5 scores in the 160s, 5 in the 150s, and 3 in the 130s. The median score would be in the A. 150s. B. 160s. C. 180s. D. There is not enough information given. DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 82. Grade 10 | Mathematics | Multiple Choice | 1998 | Question 22 Reporting Category: Data Analysis, Statistics, and Probability Objective(s): Based on the graph, which organization showed the most growth in membership over the 10-year period? A. the Math Club B. the Hiking Club C. the Drama Club D. The Drama Club and the Hiking Club are tied for the most growth. DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 83. Grade 10 | Mathematics | Multiple Choice | 1998 | Question 23 Reporting Category: Data Analysis, Statistics, and Probability Objective(s): 60% of the cars owned by Best Car Rental are white and 30% have a standard transmission. If you randomly choose a rental car, what is the probability that you will get a white car with a standard transmission? A. 9 10 B. 9 100 C. 18 100 D. 90 100 DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 84. Grade 10 | Mathematics | Open Response | 2002 | Question 17 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 8.D.4 Casey placed six identical cards in a box. Each card was marked with one integer using each of the integers 0, 1, 2, 3, 4, and 5 once. Casey drew two cards at random, one at a time, without replacing the first card. a. Make a list, chart, or diagram of the possible outcomes when choosing two cards in this manner. b. What is the probability that the sum of the integers on the two cards is greater than 9? c. Based on your response to part a., what is the most frequently occurring sum of the integers? What is the probability that this sum will occur? DATA ANALYSIS, PROBABILITY AND STATISTICS 85. (edited by Monteiro) Grade 10 | Mathematics | Open Response | 2001 | Question 40 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.3 A class of 25 students is asked to determine approximately how much time the average student spends on homework during a one-week period. Each student is to ask one of his/her friends for the information, making sure that no one student is asked more than once. The numbers of hours spent on homework per week are as follows: 8, 0, 25, 9, 4, 19, 25, 9, 9, 8, 0, 8, 25, 9, 8, 7, 8, 3, 7, 8, 5, 3, 25, 8, 10 a. Find the mean, median, and mode for these data. Explain or show how you found each answer. b. Based on this sample, which measure (or measures) that you found in part a best describes the typical student? Explain your reasoning. c. Describe a sampling procedure that would have led to more representative data. DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 86. Grade 10 | Mathematics | Open Response | 1998 | Question 33 Reporting Category: Data Analysis, Statistics, and Probability Objective(s): The table below represents the United States population (in millions) from 1986-1991. Year U.S. Population in Millions 1986 239 1987 241 1988 243 1989 246 1990 248 1991 251 a. On the grid in your Student Answer Booklet [example shown below], plot the data using the year as the horizontal (x) axis. b. Draw a single straight line that best represents the data. c. Explain why you drew your line as you did. DATA ANALYSIS, PROBABILITY AND STATISTICS 87. Grade 10 | Mathematics | Short Answer | 1998 | Question 31 Reporting Category: Data Analysis, Statistics, and Probability Objective(s): In Ms. Amud's math class, the final class grades showed the following statistics: • • • mean = 85 median = 85 range = 20 If nine students were in the class, list a possible set of scores. (edited by Monteiro) DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 88. Grade 10 | Mathematics | Open Response | 2010 | Question 4 (modified) Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 8.D.4 Allen surveyed the 18 students in his class about the number of DVDs each of them rented last week. The table below shows how many students rented each number of DVDs. For example, 10 students rented 1 DVD each. Number of Students Renting Each Number of DVDs Number of DVDs Rented Number of Students 1 10 3 6 4 2 a. What is the mean number of DVDs rented per student? b. What is the median number of DVDs rented per student? Show or explain how you got your answer c. What is the mode number of DVDs rented per student? d. Construct a bar graph, clearly labeling your axis to illustrate the data above. DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 89. Grade 10 | Mathematics | Multiple Choice | 2011 | Question 40 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 - Select, create, and interpret an appropriate graphical representation (e.g., scatterplot, table, stem-andleaf plots, box-and-whisker p The stem-and-leaf plot below shows the costs, in dollars, of all the textbooks at a school bookstore. Based on the stem-and-leaf plot, what percent of the textbooks cost more than $80? A. 40% B. 45% C. 50% D. 55% DATA ANALYSIS, PROBABILITY AND STATISTICS 90. (edited by Monteiro) Grade 10 | Mathematics | Multiple Choice | 2011 | Question 38 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 - Select, create, and interpret an appropriate graphical representation (e.g., scatterplot, table, stem-andleaf plots, box-and-whisker p The price per pound of each kind of vegetable sold at a farmers' market is shown in the table below. What is the mode of the prices per pound for the vegetables? A. $0.95 B. $1.25 C. $1.49 D. $1.99 DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 91. Grade 10 | Mathematics | Multiple Choice | 2011 | Question 36 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 - Select, create, and interpret an appropriate graphical representation (e.g., scatterplot, table, stemand-leaf plots, box-and-whisker p Deborah earned a total of $2000 from 5 different summer jobs. Which of the following types of graphs is the most appropriate for showing the percent of money earned from each job? A. histogram B. line graph C. scatterplot D. circle graph DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 92. Grade 10 | Mathematics | Multiple Choice | 2011 | Question 34 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 - Select, create, and interpret an appropriate graphical representation (e.g., scatterplot, table, stem-andleaf plots, box-and-whisker p The table below shows the ticket costs for seats in different sections of a stadium. What is the greatest number of bleacher seat tickets that can be bought for the cost of 12 lower deck seat tickets? A. 22 B. 32 C. 42 D. 52 DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) Oops! 93. Grade 10 | Mathematics | Multiple Choice | 2011 | Question 32 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 - Select, create, and interpret an appropriate graphical representation (e.g., scatterplot, table, stem-andleaf plots, box-and-whisker plot) The graph below shows the relationship between distance walked and number of calories burned. Based on the graph, which of the following is closest to the number of calories that are burned by walking 1.5 miles? A. 80 B. 120 C. 160 D. 240 DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 94. Grade 10 | Mathematics | Multiple Choice | 2011 | Question 30 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 - Select, create, and interpret an appropriate graphical representation (e.g., scatterplot, table, stem-and-leaf plots, box-andwhisker plot) The line plot below shows the cost, in dollars, of each item sold at a bake sale. Based on the histogram, which statement must be true? A. No used car sold for $7,000. B. Exactly 5 of the used cars sold for $4,000. C. The most expensive used car sold for $11,999. D. Most of the used cars sold for less than $6,000. DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) Oops! 95. Grade 10 | Mathematics | Multiple Choice | 2011 | Question 24 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 - Select, create, and interpret an appropriate graphical representation (e.g., scatterplot, table, stemand-leaf plots, box-and-whisker p The circle graph below represents the number of students enrolled in elective classes at Morris High School. A circle graph titled Each student is enrolled in only one elective class. Of the total number of students enrolled in elective classes, are enrolled in art class. What is the total number of students enrolled in accounting class? A. 200 B. 220 C. 340 D. 980 DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 96. Grade 10 | Mathematics | Multiple Choice | 2011 | Question 23 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 - Select, create, and interpret an appropriate graphical representation (e.g., scatterplot, table, stem-andleaf plots, box-and-whisker plot) The circle graph below shows information about the budget for a school party. The total budget for the party is $1500. What is the total dollar amount in the budget for entertainment? A. $300 B. $450 C. $500 D. $1050 DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 97. Grade 10 | Mathematics | Multiple Choice | 2011 | Question 13 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 - Select, create, and interpret an appropriate graphical representation (e.g., scatterplot, table, stem-andleaf plots, box-and-whisker p The list in the box below shows the ticket prices for ten concerts scheduled at a stadium. $32, $36, $65, $30, $46, $19, $46, $40, $70, $16 A ticket price of $70 is added to the list. Which of the following measures of the data will change? A. range B. median C. maximum D. minimum DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 98. Grade 10 | Mathematics | Multiple Choice | 2011 | Question 12 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 - Select, create, and interpret an appropriate graphical representation (e.g., scatterplot, table, stem-andleaf plots, box-and-whisker plot) The scatterplot below shows the relationship between the length of a long-distance phone call and the cost of the phone call. Based on the line of best fit for the scatterplot, which of the following amounts is closest to the cost of a 120minute phone call? A. $10 B. $12 C. $15 D. $20 DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 99. Grade 10 | Mathematics | Multiple Choice | 2011 | Question 9 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 - Select, create, and interpret an appropriate graphical representation (e.g., scatterplot, table, stem-andleaf plots, box-and-whisker p The costs for different books at a yard sale are listed in the box below. $0.75, $1.25, $3.00, $1.80, $2.00, $2.00 What is the mean cost of the books? A. $1.80 B. $1.90 C. $2.00 D. $2.40 DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 100. Grade 10 | Mathematics | Multiple Choice | 2011 | Question 8 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 - Select, create, and interpret an appropriate graphical representation (e.g., scatterplot, table, stemand-leaf plots, box-and-whisker plot) The table below shows the monthly rents charged for different apartments. What is the median monthly rent charged for the apartments? A. $900 B. $925 C. $938 D. $975 DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 101. Grade 10 | Mathematics | Multiple Choice | 2011 | Question 4 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 - Select, create, and interpret an appropriate graphical representation (e.g., scatterplot, table, stemand-leaf plots, box-and-whisker p The bar graph below shows the one-year rate quotes Sanjay received from different car insurance companies. What is the mean one-year rate for the quotes Sanjay received? A. $875 B. $900 C. $950 D. $1025 DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 102. Grade 10 | Mathematics | Multiple Choice | 2011 | Question 3 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.2 Approximate a line of best fit (trend line) given a set of data (e.g., scatterplot). Use technology when appropriate. Which of the following equations best represents the line of best fit for the scatterplot below? A. B. C. D. DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 103. Grade 10 | Mathematics | Multiple Choice | 2012 | Question 2 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 - Select, create, and interpret an appropriate graphical representation (e.g., scatterplot, table, stemand-leaf plots, box-and-whisker plot) The stem-and-leaf plot below shows the number of miles a person rode a bicycle each weekday last month. What is the range of the numbers of miles ridden? A. 4.0 B. 3.6 C. 3.4 D. 1.5 DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 104. Grade 10 | Mathematics | Multiple Choice | 2012 | Question 2 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 - Select, create, and interpret an appropriate graphical representation (e.g., scatterplot, table, stemand-leaf plots, box-and-whisker plot) Dev made a list of numbers, as shown in the box below. 4, 7, 9, 11, 13, 28 Pierre made a different list of numbers by multiplying each number from Dev's list by 2. What is the median of Pierre's list? A. 18 B. 20 C. 22 D. 24 DATA ANALYSIS, PROBABILITY AND STATISTICS 105. (edited by Monteiro) Grade 10 | Mathematics | Multiple Choice | 2012 | Question 7 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.2 Approximate a line of best fit (trend line) given a set of data (e.g., scatterplot). Use technology when appropriate. The scatterplot below shows the relationship between the number of minutes available for a cell phone plan and the monthly cost, in dollars, of different cell phone plans. Based on the line of best fit for the scatterplot, what is the expected number of minutes available for a cell phone plan that has a monthly cost of $40? A. 150 B. 250 C. 350 D. 450 DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 106. Grade 10 | Mathematics | Multiple Choice | 2012 | Question 7 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.2 Approximate a line of best fit (trend line) given a set of data (e.g., scatterplot). Use technology when appropriate. Which of the following is closest to the slope of the line of best fit for the scatterplot below? A. B. C. D. DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 107. Grade 10 | Mathematics | Multiple Choice | 2012 | Question 25 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 - Select, create, and interpret an appropriate graphical representation (e.g., scatterplot, table, stemand-leaf plots, box-and-whisker p Gina surveyed a group of people about what search method each used most often to find a job. The circle graph below represents their answers to her survey. There were 32 people who answered that they used the Internet most often. What was the total number of people that Gina surveyed? A. 40 B. 80 C. 92 D. 128 DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 108. Grade 10 | Mathematics | Multiple Choice | 2012 | Question 26 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 - Select, create, and interpret an appropriate graphical representation (e.g., scatterplot, table, stemand-leaf plots, box-and-whisker plot) The bar graph below shows the number of items returned to a clothing store each day for 5 days. Based on the graph, what is the mean number of items returned to the store for the 5 days? A. 7 B. 11 C. 13 D. 14 DATA ANALYSIS, PROBABILITY AND STATISTICS 109. (edited by Monteiro) Grade 10 | Mathematics | Multiple Choice | 2012 | Question 32 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 - Select, create, and interpret an appropriate graphical representation (e.g., scatterplot, table, stemand-leaf plots, box-and-whisker plot) A data set has 6 different numbers. A student calculated the mean, median, and mode of the data set. The student then removed the lowest number from the data set and calculated the mean, median, and mode again. What measures of central tendency must change when the lowest number is removed from the data set? A. mean only B. median only C. median and mode D. median and mean DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 110. Grade 10 | Mathematics | Multiple Choice | 2012 | Question 33 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 - Select, create, and interpret an appropriate graphical representation (e.g., scatterplot, table, stemand-leaf plots, box-and-whisker p The box-and-whisker plot below shows the numbers of pictures that can be stored on different digital cameras. What is the median number of pictures that can be stored? A. 250 B. 300 C. 350 D. 400 DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 111. Grade 10 | Mathematics | Multiple Choice | 2012 | Question 34 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 - Select, create, and interpret an appropriate graphical representation (e.g., scatterplot, table, stemand-leaf plots, box-and-whisker p The bar graph below shows the daily high temperatures, in degrees Fahrenheit, in Windham for 14 days. Based on the bar graph, what was the mode of the daily high temperatures for the 14 days? A. 49°F B. 52°F C. 55°F D. 59°F DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 112. Grade 10 | Mathematics | Multiple Choice | 2012 | Question 37 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 - Select, create, and interpret an appropriate graphical representation (e.g., scatterplot, table, stemand-leaf plots, box-and-whisker p The stem-and-leaf plot below shows the age, in years, of each runner in a road race. What is the total number of runners between the ages of 35 and 55 years? A. 12 B. 17 C. 19 D. 20 DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 113. Grade 10 | Mathematics | Multiple Choice | 2012 | Question 40 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 - Select, create, and interpret an appropriate graphical representation (e.g., scatterplot, table, stemand-leaf plots, box-and-whisker p A farmer has three cats named Elmer, Max, and Whiskers. • • • Elmer weighs 18 pounds. Max's weight is the same as Whiskers's weight. The mean weight of the three cats is 14 pounds. What is the weight, in pounds, of Whiskers? A. 24 B. 22 C. 20 D. 12 DATA ANALYSIS, PROBABILITY AND STATISTICS 114. (edited by Monteiro) Grade 10 | Mathematics | Open Response | 2011 | Question 41 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 - Select, create, and interpret an appropriate graphical representation (e.g., scatterplot, table, stemand-leaf plots, box-and-whisker p The numbers of games won and lost by six local baseball teams are shown in the double bar graph below. a) How many more games did the Hawks win than the Wolves won? Show or explain how you got your answer. b) For the Panthers, what is the ratio of games won to games played? Show or explain how you got your answer. c) Which of the six teams has the greatest ratio of games won to games played? Show or explain how you got your answer. The Scorpions later played additional games that were not included in the double bar graph. The additional games changed the Scorpions' ratio of games won to games played to . d) What is the least number of additional games the Scorpions could have played? Show or explain how you got your answer. DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) Oops! 115. Grade 10 | Mathematics | Open Response | 2011 | Question 21 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 - Select, create, and interpret an appropriate graphical representation (e.g., scatterplot, table, stemand-leaf plots, box-and-whisker p The number of days Carter went to the gym each month during a 6-month period is shown in the line graph below. a) In which months did Carter go to the gym more than 15 days? b) What is the range of the number of days per month Carter went to the gym over the 6-month period? Show or explain how you got your answer. c) What is the mean number of days per month Carter went to the gym over the 6-month period? Show or explain how you got your answer. Carter wants the mean number of days he goes to the gym each month for the full year to be 20. He plans to go to the gym the same number of days each month for the next 6 months. d) What is the number of days Carter should go to the gym each month for the next 6 months so that the mean for the full year is 20 days? Show or explain how you got your answer. DATA ANALYSIS, PROBABILITY AND STATISTICS 116. (edited by Monteiro) Grade 10 | Mathematics | Open Response | 2012 | Question 20 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 - Select, create, and interpret an appropriate graphical representation (e.g., scatterplot, table, stemand-leaf plots, box-and-whisker p The line plot below shows the number of hits made by each of 10 players on a baseball team during batting practice. a) What was the mode of the numbers of hits made by the players? Show or explain how you got your answer. b) What was the median number of hits made by the players? Show or explain how you got your answer. c) What was the mean number of hits made by the players? Show or explain how you got your answer. Two additional players arrived at practice. The number of hits made by each additional player was included in the line plot with the following results: • • The median number of hits increased. The mode of the numbers of hits remained the same. d) What could be the number of hits made by each of the two additional players? Show or explain how you got your answer. DATA ANALYSIS, PROBABILITY AND STATISTICS 117. (edited by Monteiro) Grade 10 | Mathematics | Open Response | 2012 | Question 20 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 - Select, create, and interpret an appropriate graphical representation (e.g., scatterplot, table, stemand-leaf plots, box-and-whisker p The line plot below shows the weights, in pounds, of 18 different astronauts. a) What is the mode of the weights, in pounds, of the astronauts? Show or explain how you got your answer. b) What is the range of the weights, in pounds, of the astronauts? Show or explain how you got your answer. c) What is the median weight, in pounds, of the astronauts? Show or explain how you got your answer. The weight of an astronaut's spacesuit is 110 pounds. d) Describe how the median will change when the weight of a spacesuit is added to each of the astronaut's weights. Show or explain how you got your answer. DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 118. Grade 10 | Mathematics | Open Response | 2012 | Question 31 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 - Select, create, and interpret an appropriate graphical representation (e.g., scatterplot, table, stemand-leaf plots, box-and-whisker p The ages, in years, of the 11 reporters who work at a newspaper are listed below. 28, 45, 61, 40, 55, 58, 33, 27, 35, 33, 46 a) In your Student Answer Booklet, make a stem-and-leaf plot of the reporters' ages. Be sure to include a title and a key for your plot. b) What is the range of the ages, in years, of the reporters? Show or explain how you got your answer. c) What is the median age, in years, of the reporters? Show or explain how you got your answer. The newspaper hired a new reporter. When the age of the new reporter was included in the stem-and-leaf plot, the range increased by 4 years. d) What is one possible median age that could result from including the new reporter's age in the stemand-leaf plot? Show or explain how you got your answer. DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 119. Grade 10 | Mathematics | Short Answer | 2011 | Question 18 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 - Select, create, and interpret an appropriate graphical representation (e.g., scatterplot, table, stemand-leaf plots, box-and-whisker p The line plot below shows the ages, in years, of students who volunteered to clean up a park one weekend. What is the median age of the students who volunteered? DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 120. Grade 10 | Mathematics | Short Answer | 2012 | Question 16 Reporting Category: Data Analysis, Statistics, and Probability Standard(s): 10.D.1 - Select, create, and interpret an appropriate graphical representation (e.g., scatterplot, table, stemand-leaf plots, box-and-whisker p The number of hours a teacher tutored each week for 8 weeks is listed below. 10, 5, 6, 8, 0, 10, 10, 7 What is the mean number of hours the teacher tutored for the 8 weeks? DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) ANSWER KEY 1) B 11) A 21) A 31) C 41) C 51) OR 61) 218 71) A 81) B 2) C 12) B 22) B 32) C 42) D 52) OR 62) B 72) A 82) D 3) A 13) A 23) D 33) B 43) C 53) OR 63) B 73) A 83) C 4) C 14) A 24) C 34) A 44) D 1 6 64) B 74) B 84) OR 5) B 15) C 25) B 35) B 45) B 55) 88 miles 65) B 75) D 85) OR 6) D 16) B 26) D 36) B 46) B 56) 46F 66) D 76) D 86) OR 7) C 17) C 27) D 37) A 47) OR 4 5 67) B 77) A 87) OR 8) C 18) D 28) A 38) B 48) OR 58) 1 68) D 78) C 88) 9) C 19) A 29) D 39) A 49) OR 1 60 69) B 79) B 89) 10) C 20) C 30) A 40) D 50) OR 60) 31 70) A 80) C 90) 54) 57) 59) DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro) 91) 101)D 111)A 121) 131) 141) 151) 161) 171) 181) 92) 102)A 112)B 122) 132) 142) 152) 162) 172) 182) 93) 103)B 113) D 123) 133) 143) 153) 163) 173) 183) 94)D 104)B 114)O R 124) 134) 144) 154) 164) 174) 184) 95)B 105)B 115) OR 125) 135) 145) 155) 165) 175) 185) 96)B 106)A 116) OR 126) 136) 146) 156) 166) 176) 186) 97)B 107)B 117) OR 127) 137) 147) 157) 167) 177) 187) 98)B 108)D 118) OR 128) 138) 148) 158) 168) 178) 188) 99)A 109)D 119)17 129) 139) 149) 159) 169) 179) 189) 100)B 110)A 120) 130) 140) 150) 160) 170) 180) 190) 7hrs DATA ANALYSIS, PROBABILITY AND STATISTICS (edited by Monteiro)