Adidas revenues (in millions of ‚¬) in Asia and Latin America for the years 2005 through 2009 are shown in the accompanying table. Assume revenues are normally distributed.

a. Specify the competing hypothesis in order to test whether the variance in revenues is greater in Asia than in Latin America.
b. Use Excel to calculate the value of the test statistic.
c. Use Excel's F.TEST function to calculate the p-value.
d. At α = 0.05, what is your conclusion?

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2005 2006 2007 2008 2009 1,523 2,020 2,254 2,662 2,614 319 499 657 893 1,006 Asia Latin America