need help with the test statistic and the critical
value
Listed below are actual high temperatures and the high temperatures forecast one day in advance. Use a 0.05 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 85 83 83 85 81 81 70 840 High temperature forecast one day before 82 86 83 85 79 78 71 83 Click the icon to view the critical values for the Wilcoxon signed-ranks test. ... What are the hypotheses for this test? equals zero Ho: The median of the differences H: The median of the differences is not equal to zero What is the test statistic? T=(Type an integer or a decimal.)
need help with the test statistic and the critical value
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