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Ranking driving performance of professional golfers. A

Statistics for Business and Economics | 12th Edition | ISBN: 9780321826237 | Authors: James T. McClave, P. George Benson, Terry T Sincich ISBN: 9780321826237 51

Solution for problem 50E Chapter 2

Statistics for Business and Economics | 12th Edition

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Statistics for Business and Economics | 12th Edition | ISBN: 9780321826237 | Authors: James T. McClave, P. George Benson, Terry T Sincich

Statistics for Business and Economics | 12th Edition

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Problem 50E

Problem 50E

Ranking driving performance of professional golfers. A group of Northeastern University researchers developed a new method for ranking the total driving performance of golfers on the Professional Golf Association (PGA) tour (The Sport Journal, Winter 2007). The method requires knowing a golfer’s average driving distance (yards) and driving accuracy (percent of drives that land in the fairway). The values of these two variables are used to compute a driving performance index. Data for the top 40 PGA golfers (as ranked by the new method) are saved in the accompanying file. The first five and last five observations are listed in the table below.

Rank

Player

DrivingDistance(yards)

DrivingAccuracy(%)

DrivingPerformanceIndex

1

Woods

316.1

54.6

3.58

2

Perry

304.7

63.4

3.48

3

Gutschewski

310.5

57.9

3.27

4

Wetterich

311.7

56.6

3.18

5

Hearn

295.2

68.5

2.82

:

:

:

:

:

36

Senden

291

66

1.31

37

Mickelson

300

58.7

1.30

38

Watney

298.9

59.4

1.26

39

Trahan

295.8

61.8

1.23

40

Pappas

309.4

50.6

1.17

Source: Based on Frederick Wiseman, Ph.D., Mohamed Habibullah, Ph.D., and Mustafa Yilmaz, Ph.D, “Ranking Driving Performance on the PGA Tour.” SPORTS JOURNAL, Vol. 10, No. 1, Winter 2007 (Table 2).

a. Find the mean, median, and mode for the 40 driving performance index values.

b. Interpret each of the measures of central tendency, part a.

c. Use the results, part a, to make a statement about the type of skewness in the distribution of driving performance indexes. Support your statement with a graph.

Step-by-Step Solution:
Step 1 of 3

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Step 2 of 3

Chapter 2, Problem 50E is Solved
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Textbook: Statistics for Business and Economics
Edition: 12
Author: James T. McClave, P. George Benson, Terry T Sincich
ISBN: 9780321826237

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