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Statistics / Statistical Techniques in Business and Economics 15 / Chapter 2 / Problem 52

Statistical Techniques in Business and Economics | 15th Edition | ISBN: 9780073401805 | Authors: Douglas Lind, William Marchal, Samuel Wathen

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Refer to the Baseball 2009 data, which reports information on the 30 Major League

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QUESTION:

Refer to the Baseball 2009 data, which reports information on the 30 Major League Baseball teams for the 2009 season. Select an appropriate class interval and organize the team salaries into a frequency distribution. a. What is a typical team salary? What is the range of salaries? b. Comment on the shape of the distribution. Does it appear that any of the team salaries are out of line with the others? c. Draw a cumulative frequency distribution. Forty percent of the teams are paying less than what amount in total team salary? About how many teams have total salaries of less than $80,000,000

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QUESTION:

Refer to the Baseball 2009 data, which reports information on the 30 Major League Baseball teams for the 2009 season. Select an appropriate class interval and organize the team salaries into a frequency distribution. a. What is a typical team salary? What is the range of salaries? b. Comment on the shape of the distribution. Does it appear that any of the team salaries are out of line with the others? c. Draw a cumulative frequency distribution. Forty percent of the teams are paying less than what amount in total team salary? About how many teams have total salaries of less than $80,000,000

ANSWER:

Step 1 of 4

(a) Let represent the number of classes and the number of observations. We then choose to be equal to the smallest integer such that .

In this case, we have 30 data values. Since and is the smallest integer such that 30 and thus we require 5 classes.

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