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Test: Week 3 Test ... Question 4 This Test: 100 pts possible Submit Test Listed below are actual high temperatures and the high temperatures forecast one day in advance. Use a 0. 10 significance level to test the claim that the population of differences has a median of zero. What do the results suggest about the accuracy of the predictions? Actual high temperature 70 81 79 73 78 82 81 78 High temperature forecast one day before 9 79 73 76 80 78 79 Click the icon to view the critical values for the Wilcoxon signed-ranks test. What are the hypotheses for this test? Ho: The median of the differences zero. H, : The median of the differences |zero. What is the test statistic? - X T= (Type an integer or a decimal.) Data Table Identify the critical value. Critical Values of T for the Wilcoxon Signed-Ranks Test The critical value is 0.025 (one What is the conclusion? 0.005 (one tail) 0.01 (one tail) tail) 0.05 (one tail) 0.01 (two 0.02 (two 0.05 (two 0.10 (two There enough evidence to warrant rejection of the claim tails) tails) tails tails) that the predictions A reasonably accurate. 100 ) A N 00 0 AN 14 14 17 17 21 21 26 25 30 36 41 40 47 46 54 52 60 59 68 66 75 55 62 73 83 61 69 81 92 68 77 90 101 76 85 98 110 84 93 107 120 28 92 102 117 130 29 100 111 127 141 30 109 120 137 152 * It is not possible to get a value in the critical region