These problems all draw on data that come from the text ( or a previous edition)

These problems all draw on data that come from the text ( or a previous edition). If you are ready for the test you should recognize what to do. The advantage of this format is that you cannot see what to do by looking at previous pages of the text. See if you are ready. But if you are not, find the data in the text and study the material again. Hints are given in the yellow notes. 1) The data below are stress scores for random samples of people who work in three occupations. Use the data to test for a difference in the mean stress level among the occupations. α = .05. Real Estate Agent Architect Stockbroker 81 43 65 48 63 48 68 60 57 69 52 91 54 54 70 62 77 67 76 68 83 56 57 75 61 61 53 65 80 71 64 50 54 69 37 72 83 73 65 85 84 58 75 58 2) The data below give P/E ratios for random samples of corporations in three industries. Use the data to test for a difference in the mean ratios. α = .05. Company Industry P/E Citicorp 1 15 NationsBank 14 Wells Fargo 25 First Union 13 KeyCorChase Manhattan 1 12 Fifth Third Bancorp 1 23 Bank of New York 1 17 First Chicago 1 3 Mellon Bank 1 16 Fleet Financial Group 1 15 First Bank System 1 16 American Express 2 19 Travelers 2 15 Merrill Lynch 12 MBNA 24 Cincinnati Financial 19 Franklin Resources 22 Fannie Mae 2 17 American International 3 21 Group Allstate 14 Marsh & McLennan 3 20 American General 3 16 Cigna 3 12 Lincoln National 13 AFLAC 21 Equitable 11 ...