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. 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

3. Slide 13 - 3 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

4. Slide 13 - 4 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

5. Slide 13 - 5 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

6. Slide 13 - 6 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%

7. Slide 13 - 7 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%

8. Slide 13 - 8 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%

9. Slide 13 - 9 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%

10. Slide 13 - 10 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%

11. Slide 13 - 11 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%

12. Slide 13 - 12 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%

13. Slide 13 - 13 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%