Question

A business PhD student who lived on a naval base, looked at prices of items at the Naval Commissary and prices of the same items at Kmart. Assume that these are a random sample of items 10 items. The student wanted to test the hypothesis that the mean price at the naval base was less than the mean price at Kmart. Items Kmart Navy Tide 19.99 18.13 Clorox 4.29 2.57 Gain 5.39 5.13 Swiffer 7.99 5.99 Pledge 2.99 2.48 Secret 3.99 2.94 Spam 2.49 1.30 Pepsi 1.49 1.38 Chunky 1.79 1.29 Water 1.50 0.99

a) Identify the response variable.

b)Use statistics learned from earlier activities to investigate the results.

Answer 1