Module 1 A university is interested in gauging student satis…

Module 1 A university is interested in gauging student satisfaction in its online MBA program.  A survey is designed and administered via the Internet to a sample of students currently active in the program. Which of the following would best describe the cases?

Module 1 The following table shows data for total assets ($…

Module 1 The following table shows data for total assets ($ billion) for a small sample of U.S. banks. BANK ASSETS ($ billion) State Street Bank and Trust 160.5 Discover Bank   63.9 BancWest   72.8 Citizens Bank 130.0 Northern Trust   83.8 Huntington Bank   53.8 Key Bank   91.8 People’s United   27.9 The mean for the total assets data ($ billion) is ________________________ .

Module 4 In the past, the mean running time for a certain ty…

Module 4 In the past, the mean running time for a certain type of flashlight battery has been 8.5 hours. The manufacturer has introduced a change in the production method and wants to perform a hypothesis test to determine whether the mean running time has changed as a result. This test is: