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# Analysis of variance for baseball data set

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Refer to the Baseball 2007 data, which report information on the 30 Major League Baseball teams for the 2007 season.

a. At the .10 significance level, is there a difference in the variation in team salary among the American and National league teams?
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.

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#### Solution Summary

The solution provides step by step method for the calculation of F statistic . Formula for the calculation and Interpretations of the results are also included.

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