Problem 11.8 (altered version) Sales of People magazine are compared over a 5-week period at four Borders outlets in Chicago. Do the data show a significant difference in mean weekly sales at an alpha of 0.05? Store 1 Store 2 Store 3 Store 4 102 97 89 100 105 75 91 110 110 80 75 90 115 80 105 102 110 100 95 101 a. State the null and alternative hypotheses (you MUST label which is HO and which is HI) b. What is the critical value? c. What is the test statistic? d. Do you reject or fail to reject