1. Slide 13 - 1 Copyright © 2009 Pearson Education, Inc. AND Active Learning Lecture Slides For use with Classroom Response Systems Chapter 13 Statistics

2. Slide 13 - 2 Copyright © 2009 Pearson Education, Inc. For the set of data 12, 13, 15, 15, 16, 19 determine the mean. a.13 b.14 c.15 d.16

3. Slide 13 - 3 Copyright © 2009 Pearson Education, Inc. For the set of data 12, 13, 15, 15, 16, 19 determine the mean. a.13 b.14 c.15 d.16

4. Slide 13 - 4 Copyright © 2009 Pearson Education, Inc. For the set of data 12, 13, 15, 15, 16, 19 determine the mode. a.13 b.14 c.15 d.16

5. Slide 13 - 5 Copyright © 2009 Pearson Education, Inc. For the set of data 12, 13, 15, 15, 16, 19 determine the mode. a.13 b.14 c.15 d.16

6. Slide 13 - 6 Copyright © 2009 Pearson Education, Inc. For the set of data 12, 13, 15, 15, 16, 19 determine the median. a.13 b.14 c.15 d.16

7. Slide 13 - 7 Copyright © 2009 Pearson Education, Inc. For the set of data 12, 13, 15, 15, 16, 19 determine the median. a.13 b.14 c.15 d.16

8. Slide 13 - 8 Copyright © 2009 Pearson Education, Inc. For the set of data 12, 13, 15, 15, 16, 19 determine the range. a.31 b.15.5 c.10 d.7

9. Slide 13 - 9 Copyright © 2009 Pearson Education, Inc. For the set of data 12, 13, 15, 15, 16, 19 determine the range. a.31 b.15.5 c.10 d.7

10. Slide 13 - 10 Copyright © 2009 Pearson Education, Inc. For the set of data 12, 13, 15, 15, 16, 19 determine the midrange. a.31 b.15.5 c.10 d.7

11. Slide 13 - 11 Copyright © 2009 Pearson Education, Inc. For the set of data 12, 13, 15, 15, 16, 19 determine the midrange. a.31 b.15.5 c.10 d.7

12. Slide 13 - 12 Copyright © 2009 Pearson Education, Inc. For the set of data 12, 13, 15, 15, 16, 19 determine the midrange. a. b. c. d.

13. Slide 13 - 13 Copyright © 2009 Pearson Education, Inc. For the set of data 12, 13, 15, 15, 16, 19 determine the midrange. a. b. c. d.

14. Slide 13 - 14 Copyright © 2009 Pearson Education, Inc. Construct a frequency of distribution; let the first class be 10 - 19. a. b. c. d. Class10-1920-2930-3940-4950-5960-69 Freq654564 Class10-1920-2930-3940-4950-5960-69 Freq366654 Class10-1920-2930-3940-4950-5960-69 Freq545466 Class10-1920-2930-3940-4950-5960-69 Freq454566

15. Slide 13 - 15 Copyright © 2009 Pearson Education, Inc. Construct a frequency of distribution; let the first class be 10 - 19. a. b. c. d. Class10-1920-2930-3940-4950-5960-69 Freq654564 Class10-1920-2930-3940-4950-5960-69 Freq366654 Class10-1920-2930-3940-4950-5960-69 Freq545466 Class10-1920-2930-3940-4950-5960-69 Freq454566

16. Slide 13 - 16 Copyright © 2009 Pearson Education, Inc. Construct a histogram of the frequency distribution. a. c. Class10-1920-2930-3940-4950-5960-69 Freq454566 b. d. Class Frequency Class Frequency Class Frequency Class Frequency

17. Slide 13 - 17 Copyright © 2009 Pearson Education, Inc. Construct a histogram of the frequency distribution. a. c. Class10-1920-2930-3940-4950-5960-69 Freq454566 b. d. Class Frequency Class Frequency Class Frequency Class Frequency

18. Slide 13 - 18 Copyright © 2009 Pearson Education, Inc. Construct a frequency polygon of the distribution. a. c. Class 10-19 20-29 30-39 40-49 50-59 60-69 Freq454566 b. d. Class Frequency Class Frequency Class Frequency Class Frequency

19. Slide 13 - 19 Copyright © 2009 Pearson Education, Inc. Construct a frequency polygon of the distribution. a. c. Class10-1920-2930-3940-4950-5960-69 Freq454566 b. d. Class Frequency Class Frequency Class Frequency Class Frequency

20. Slide 13 - 20 Copyright © 2009 Pearson Education, Inc. Use the following data on the number of points scored in the Bay High School basketball games. What is the most common score? a. 68b. 70c. 72d. 75 Mean 72First quartile50 Median 68Third quartile75 Mode 7092 nd percentile88 Standard Deviation 11

21. Slide 13 - 21 Copyright © 2009 Pearson Education, Inc. Use the following data on the number of points scored in the Bay High School basketball games. What is the most common score? a. 68b. 70c. 72d. 75 Mean72First quartile50 Median68Third quartile75 Mode7092 nd percentile88 Standard Deviation11

22. Slide 13 - 22 Copyright © 2009 Pearson Education, Inc. Use the following data on the number of points scored in the Bay High School basketball games. What score do half of the games exceed? a. 68b. 70c. 72d. 75 Mean72First quartile50 Median68Third quartile75 Mode7092 nd percentile88 Standard Deviation11

23. Slide 13 - 23 Copyright © 2009 Pearson Education, Inc. Use the following data on the number of points scored in the Bay High School basketball games. What score do half of the games exceed? a. 68b. 70c. 72d. 75 Mean72First quartile50 Median68Third quartile75 Mode7092 nd percentile88 Standard Deviation11

24. Slide 13 - 24 Copyright © 2009 Pearson Education, Inc. Use the following data on the number of points scored in the Bay High School basketball games. About what percent of games have less than 75 points scored? a. 25%b. 50%c. 75%d. 92% Mean72First quartile50 Median68Third quartile75 Mode7092 nd percentile88 Standard Deviation11

25. Slide 13 - 25 Copyright © 2009 Pearson Education, Inc. Use the following data on the number of points scored in the Bay High School basketball games. About what percent of games have less than 75 points scored? a. 25%b. 50%c. 75%d. 92% Mean72First quartile50 Median68Third quartile75 Mode7092 nd percentile88 Standard Deviation11

26. Slide 13 - 26 Copyright © 2009 Pearson Education, Inc. Use the following data on the number of points scored in the Bay High School basketball games. About what percent of games have more than 88 points scored? a. 92%b. 75%c. 50%d. 8% Mean72First quartile50 Median68Third quartile75 Mode7092 nd percentile88 Standard Deviation11

27. Slide 13 - 27 Copyright © 2009 Pearson Education, Inc. Use the following data on the number of points scored in the Bay High School basketball games. About what percent of games have more than 88 points scored? a. 92%b. 75%c. 50%d. 8% Mean72First quartile50 Median68Third quartile75 Mode7092 nd percentile88 Standard Deviation11

28. Slide 13 - 28 Copyright © 2009 Pearson Education, Inc. Use the following data on the number of points scored in the Bay High School basketball games. If there are 20 games played throughout the season, what would be the total of all the points scored? a. 1360b. 1400c. 1440d. 1500 Mean72First quartile50 Median68Third quartile75 Mode7092 nd percentile88 Standard Deviation11

29. Slide 13 - 29 Copyright © 2009 Pearson Education, Inc. Use the following data on the number of points scored in the Bay High School basketball games. If there are 20 games played throughout the season, what would be the total of all the points scored? a. 1360b. 1400c. 1440d. 1500 Mean72First quartile50 Median68Third quartile75 Mode7092 nd percentile88 Standard Deviation11

30. Slide 13 - 30 Copyright © 2009 Pearson Education, Inc. Use the following data on the number of points scored in the Bay High School basketball games. What score represents 1.5 standard deviations above the mean? a. 83b. 84.5c. 86.5d. 88.5 Mean72First quartile50 Median68Third quartile75 Mode7092 nd percentile88 Standard Deviation11

31. Slide 13 - 31 Copyright © 2009 Pearson Education, Inc. Use the following data on the number of points scored in the Bay High School basketball games. What score represents 1.5 standard deviations above the mean? a. 83b. 84.5c. 86.5d. 88.5 Mean72First quartile50 Median68Third quartile75 Mode7092 nd percentile88 Standard Deviation11

32. Slide 13 - 32 Copyright © 2009 Pearson Education, Inc. Use the following data on the number of points scored in the Bay High School basketball games. What score represents 1 standard deviation below the mean? a. 61b. 59c. 57d. 50 Mean72First quartile50 Median68Third quartile75 Mode7092 nd percentile88 Standard Deviation11

33. Slide 13 - 33 Copyright © 2009 Pearson Education, Inc. Use the following data on the number of points scored in the Bay High School basketball games. What score represents 1 standard deviation below the mean? a. 61b. 59c. 57d. 50 Mean72First quartile50 Median68Third quartile75 Mode7092 nd percentile88 Standard Deviation11

34. Slide 13 - 34 Copyright © 2009 Pearson Education, Inc. The average age of students at Tri-County Community College is normally distributed with a mean of 22.1 and a standard deviation of 2.3. What percent of students are between 20 and 24? a.79.7% b.61.6% c.29.7% d.18.1%

35. Slide 13 - 35 Copyright © 2009 Pearson Education, Inc. The average age of students at Tri-County Community College is normally distributed with a mean of 22.1 and a standard deviation of 2.3. What percent of students are between 20 and 24? a.79.7% b.61.6% c.29.7% d.18.1%

36. Slide 13 - 36 Copyright © 2009 Pearson Education, Inc. The average age of students at Tri-County Community College is normally distributed with a mean of 22.1 and a standard deviation of 2.3. What percent of students are older than 23? a.34.8% b.39.1% c.60.9% d.65.2%

37. Slide 13 - 37 Copyright © 2009 Pearson Education, Inc. The average age of students at Tri-County Community College is normally distributed with a mean of 22.1 and a standard deviation of 2.3. What percent of students are older than 23? a.34.8% b.39.1% c.60.9% d.65.2%

38. Slide 13 - 38 Copyright © 2009 Pearson Education, Inc. The average age of students at Tri-County Community College is normally distributed with a mean of 22.1 and a standard deviation of 2.3. What percent of students are older than 20.5? a.24.2% b.69.6% c.75.8% d.30.4%

39. Slide 13 - 39 Copyright © 2009 Pearson Education, Inc. The average age of students at Tri-County Community College is normally distributed with a mean of 22.1 and a standard deviation of 2.3. What percent of students are older than 20.5? a.24.2% b.69.6% c.75.8% d.30.4%

40. Slide 13 - 40 Copyright © 2009 Pearson Education, Inc. The average age of students at Tri-County Community College is normally distributed with a mean of 22.1 and a standard deviation of 2.3. What percent of students are younger than 25.5? a.6.9% b.43.1% c.75.8% d.93.1%

41. Slide 13 - 41 Copyright © 2009 Pearson Education, Inc. The average age of students at Tri-County Community College is normally distributed with a mean of 22.1 and a standard deviation of 2.3. What percent of students are younger than 25.5? a.6.9% b.43.1% c.75.8% d.93.1%