Stats HW Problem 11.37

Stats HW Problem 11.37 - Sample Value Rank Bank 1 Waiting...

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Unformatted text preview: Sample Value Rank Bank 1 Waiting Time 0.38 Bank 1 Waiting Time 2.34 Bank 1 Waiting Time 3.02 Bank 1 Waiting Time 3.2 Bank 1 Waiting Time 3.54 Bank 1 Waiting Time 3.79 Bank 2 Waiting Time 3.82 Bank 2 Waiting Time 4.08 Bank 1 Waiting Time 4.21 Bank 1 Waiting Time 4.5 Bank 1 Waiting Time 4.77 Bank 1 Waiting Time 5.12 Bank 1 Waiting Time 5.13 Bank 2 Waiting Time 5.47 Bank 1 Waiting Time 5.55 Bank 2 Waiting Time 5.64 Bank 2 Waiting Time 5.79 Bank 2 Waiting Time 5.9 Bank 1 Waiting Time 6.1 Bank 2 Waiting Time 6.17 Bank 1 Waiting Time 6.19 Bank 1 Waiting Time 6.46 Bank 2 Waiting Time 6.68 Bank 2 Waiting Time 8.01 Bank 2 Waiting Time 8.02 Bank 2 Waiting Time 8.35 Bank 2 Waiting Time 8.73 Bank 2 Waiting Time 9.66 Bank 2 Waiting Time 9.91 Bank 2 Waiting 10.49 Time 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Jason Sigal Stats 072 HW Problem 11.37 Wilcoxon Rank Sum Test Data Level of Significance Population 1 Sample Sample Size Sum of Ranks Population 2 Sample Sample Size Sum of Ranks 0.05 15 153 15 312 Intermediate Calculations Total Sample Size n 30 T 1 Test Statistic 153 T 1 Mean 232.5 Standard Error of T 1 24.10913 Z Test Statistic -3.29751 Two-Tailed Test Lower Critical Value -1.95996 Upper Critical Value 1.959964 p -value 0.000975 Reject the null hypothesis Page 2 Bank 1 Waiting Time Bank 2 Waiting Time 4.21 9.66 5.55 5.90 3.02 8.02 5.13 5.79 4.77 8.73 2.34 3.82 3.54 8.01 3.20 8.35 4.50 10.49 6.10 6.68 0.38 5.64 5.12 4.08 6.46 6.17 6.19 9.91 3.79 5.47 ...
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