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Managerial Decision Making - Statistics Problem ANOVA

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Refer to the Baseball 2002 data, which reports information on the 30 Major League Baseball teams for the 2002 season.

a. At the .10 significance level, is there a difference in the variation of the number of stolen bases among the teams that play their home games on natural grass versus on artificial turf?

b. Create a variable that classifies a team's total attendance into three groups: less than 2.0 (million), 2.0 up to 3.0, and 3.0 or more. At the .05 significance level, is there a difference in the mean number of games won among the three groups? Use the .01 significance level.

c. Using the same attendance variable developed in part (b), is there a difference in the mean team batting average? Use the .01 significance level.

d. Using the same attendance variable developed in part (b), is there a difference in the mean salary of the three groups? Use the .01 significance level.