1. Averages and Variation Chapter 3

2. Copyright © Houghton Mifflin Harcourt Publishing Company. All rights reserved.3 | 2 Education Pays

3. Copyright © Houghton Mifflin Harcourt Publishing Company. All rights reserved.3 | 3 College Affordable

4. Copyright © Houghton Mifflin Harcourt Publishing Company. All rights reserved.3 | 4 Figure 3-1(a): Distribution Types and Averages, (a) Mound-Shaped Symmetrical

5. Copyright © Houghton Mifflin Harcourt Publishing Company. All rights reserved.3 | 5 Figure 3-1(b): Distribution Types and Averages, (b) Skewed left

6. Copyright © Houghton Mifflin Harcourt Publishing Company. All rights reserved.3 | 6 Figure 3-1(c): Distribution Types and Averages, (c) Skewed Right

7. Copyright © Houghton Mifflin Harcourt Publishing Company. All rights reserved.3 | 7 TI-83 display

8. Copyright © Houghton Mifflin Harcourt Publishing Company. All rights reserved.3 | 8 Excel display

9. Copyright © Houghton Mifflin Harcourt Publishing Company. All rights reserved.3 | 9 Figure 3-2: Hours of Sleep Each Day

10. Copyright © Houghton Mifflin Harcourt Publishing Company. All rights reserved.3 | 10 Figure 3-3: A Histogram with the 60 th Percentile Shown

11. Copyright © Houghton Mifflin Harcourt Publishing Company. All rights reserved.3 | 11 Figure 3-4: Percentiles

12. Copyright © Houghton Mifflin Harcourt Publishing Company. All rights reserved.3 | 12 Figure 3-5: Quartiles

13. Copyright © Houghton Mifflin Harcourt Publishing Company. All rights reserved.3 | 13 Figure 3-6: Box and Whisker Plot

14. Copyright © Houghton Mifflin Harcourt Publishing Company. All rights reserved.3 | 14 Figure 3-7: Box and Whisker Plot Calories

15. Copyright © Houghton Mifflin Harcourt Publishing Company. All rights reserved.3 | 15 Figure 3-8: Box and Whisker Plot Alumni Salaries

16. Copyright © Houghton Mifflin Harcourt Publishing Company. All rights reserved.3 | 16 TI-83 display

17. Copyright © Houghton Mifflin Harcourt Publishing Company. All rights reserved.3 | 17 Figure 3-9: Box Plots TI-83 Insurance

18. Copyright © Houghton Mifflin Harcourt Publishing Company. All rights reserved.3 | 18 Figure 3-10(a): TI-83 Summary Insurance Premiums

19. Copyright © Houghton Mifflin Harcourt Publishing Company. All rights reserved.3 | 19 Figure 3-10(b): TI-83 Summary Insurance Premiums

20. Copyright © Houghton Mifflin Harcourt Publishing Company. All rights reserved.3 | 20 Figure 3-10(c): TI-83 Summary Insurance Premiums

21. Copyright © Houghton Mifflin Harcourt Publishing Company. All rights reserved.3 | 21 Anonymous boxplot (i) in Chapter Review

22. Copyright © Houghton Mifflin Harcourt Publishing Company. All rights reserved.3 | 22 Anonymous boxplot (ii) in Chapter Review

23. Copyright © Houghton Mifflin Harcourt Publishing Company. All rights reserved.3 | 23 Figure 3-11: Graph Old Faithful Before Quake

24. Copyright © Houghton Mifflin Harcourt Publishing Company. All rights reserved.3 | 24 Figure 3-12: Graph Old Faithful After Quake

25. Copyright © Houghton Mifflin Harcourt Publishing Company. All rights reserved.3 | 25 Figure 3-13: Majors & Bachelor's