FILE (Use Excel) Adidas revenues (in millions o f ) in Asia and Latin America for the

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FILE (Use Excel) Adidas revenues (in millions o f €) in Asia and Latin America for the years 200 5 through 20 0 9 are sh o w n in th e accom panying table; th e data, labeled Adidas Revenues, are also available on the text website.

2005 2006 2007 2008 2009 Asia 1,523 2,020 2,254 2,662 2,614 Latin America 319 499 657 893 1,006 SOURCE: Adidas Online Annual Reports.

a. Specify the competing hypothesis in order to test w hether the variance in revenues is greater in Asia than in Latin America.

b. Use Excel to calculate the relevant test statistic.

c. Use Excel's F.TEST function to calculate the p-value.

d. At α = 0.05 what is your conclusion?

 P-399

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