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Elementary Statistics: Picturing the World | 6th Edition | ISBN: 9780321911216 | Authors: Ron Larson; Betsy Farber
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Solution: Comparing Two Data Sets In Exercise, find the

Chapter 2, Problem 45E

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QUESTION:

Find the coefficient of variation for each of the two data sets. Then compare the results.

Ages and Heights The ages (in years) and heights (in inches) of all pitchers for the 2013 St. Louis Cardinals are listed. (Source: Major League Baseball)

\(\begin{array}{lllllllllllll} \text { Ages } & 24 & 29 & 37 & 24 & 26 & 25 & 24 & 32 & 22 & 29 & 23 & 31 \\ \text { Heights } & 72 & 76 & 73 & 73 & 77 & 76 & 72 & 74 & 75 & 75 & 74 & 79 \end{array}\)

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QUESTION:

Find the coefficient of variation for each of the two data sets. Then compare the results.

Ages and Heights The ages (in years) and heights (in inches) of all pitchers for the 2013 St. Louis Cardinals are listed. (Source: Major League Baseball)

\(\begin{array}{lllllllllllll} \text { Ages } & 24 & 29 & 37 & 24 & 26 & 25 & 24 & 32 & 22 & 29 & 23 & 31 \\ \text { Heights } & 72 & 76 & 73 & 73 & 77 & 76 & 72 & 74 & 75 & 75 & 74 & 79 \end{array}\)

ANSWER:

   Solution:

  Step 1 of 3:

             The given data set is

       

Ages

24

29

37

24

26

25

24

32

22

29

23

31

Heights

72

76

73

73

77

76

72

74

75

75

74

79

Here we have to find the coefficient of variation for each of the two data sets and to compare the results.

 

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