Question: Refer to Exercise 11.8. Are the population variances the same for weekly sales (4 stores)? Exercise 11.8 Sales of People magazine are compared over a

Refer to Exercise 11.8. Are the population variances the same for weekly sales (4 stores)?
Exercise 11.8
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?

Weekly Sales Store 4 100 116 87 102 100 Store 3 Store 2 97 82 101 Store 1 89 102 106 105 115 112 75 106 94

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