(Solved): Operator Before After A Major Airline Recently Began Encouraging Reservation Agents To Nap During Th...

Operator Before After A major airline recently began encouraging reservation agents to nap during their breaks. The table to the right lists the number of complaints received about each of a sample of 8 reservation agents during the 6 months before naps were encouraged and during the 6 months after the policy change. a. Do the data present sufficient evidence to conclude that the new napping policy reduced the mean number of customer complaints? Test using a = 0.10. b. What assumptions must hold to ensure the validity of the test? Mar Hd OD. Ho: Ha0 | Ha: Ha = 0 COWNIK Ma Hd V O E. Ho Hd = 0 Ha Hd70 Mad F. Ho Hd = 0 Ha Hd > 0 Identify the rejection region for testing the hypotheses with a=0.10. Select the correct choice below and fill in the answer box to complete your choice. (Round to three decimal places as needed.) A t> 1.415 OB.ts OC. It> Calculate the test statistic. t (Round to three decimal places as needed.)