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Elementary Statistics | 12th Edition | ISBN: 9780321836960 | Authors: Mario F. Triola
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Back-to-Back Stemplots Exercise used back-to-back relative

Chapter 2, Problem 25BB

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QUESTION:

Back-­to-­Back Stemplots Exercise 19 in Section 2­3 used back-­to-­back relative frequency histograms for the ages of actresses and actors that are listed in Data Set 11 of Appendix B. Use the same method to construct back-­to­-back stemplots of the ages of actresses and actors, and then use the results to compare the two data sets.

Exercise

Earthquake Magnitudes Use the frequency distribution from Exercise 23 in Section 2­2 to construct a frequency polygon. Applying a loose interpretation of the requirements for a normal distribution, do the magnitudes appear to be normally distributed? Why or why not?

Questions & Answers

QUESTION:

Back-­to-­Back Stemplots Exercise 19 in Section 2­3 used back-­to-­back relative frequency histograms for the ages of actresses and actors that are listed in Data Set 11 of Appendix B. Use the same method to construct back-­to­-back stemplots of the ages of actresses and actors, and then use the results to compare the two data sets.

Exercise

Earthquake Magnitudes Use the frequency distribution from Exercise 23 in Section 2­2 to construct a frequency polygon. Applying a loose interpretation of the requirements for a normal distribution, do the magnitudes appear to be normally distributed? Why or why not?

ANSWER:

Problem 25BB

Answer:

Step1 of 3:

We have Exercise used back-to-back relative frequency histograms for the ages of actresses and actors that are listed in Data Set 11 of Appendix B.

                                                                  Best Actresses

22

37

28

63

32

26

31

27

27

30

26

29

24

38

25

29

41

30

35

33

29

38

54

24

25

46

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