F IL E (Use Excel) The accom panying tab le shows a portion o f q u a rte rly d ata on Nike's rev e n u e fo r th e fiscal years 2001 th ro u g h 2010. Data for a fiscal year refers to th e tim e period fro m June 1 th ro u g h M a y 31. T h e e n tire d a ta set can be fou nd on th e te xt w ebsite, labeled N ike R evenue.

Quarters Ended Year August 31 Novem ber 30 February 28 May 31 2001 2,637 2,199 2,170 2,483 2002 2,614 2,337 2,260 2,682 2010 4,799 4,406 4,733 5,077 Source: Annual Reports fo r Nike, Inc.

a. Use one-w ay ANOVA to determ ine if the data provide enough evidence at the 5% significance level to indicate th at there are quarterly differences in Nike's revenue.

b. Given your response to part

a, does the construction of confidence intervals using Fisher's orTukey's methods provide further information? Explain. P-69