excel assignment

Using the McGraw-Hill Dataset in the Excel file, located here, complete the following tasks:

Task#1:

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

2) 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 and more. At the .05 significance level, is there a difference in the mean number of games won among the three groups?