In a Wilcoxon signed rank test for matched pairs,the test statistic is calculated as W = 48.The alternative hypothesis is H₁: m_d 0.If there are n = 10 nonzero differences,and the 5% significance level is used,then the: A) the null hypothesis will be rejected. B) the null hypothesis will not be rejected. C) the test results are inconclusive. D) the t-test for matched pairs must be used.

Question

In a Wilcoxon signed rank test for matched pairs,the test statistic is calculated as W = 48.The alternative hypothesis is H₁: m_d > 0.If there are n = 10 nonzero differences,and the 5% significance level is used,then the: A) the null hypothesis will be rejected. B) the null hypothesis will not be rejected. C) the test results are inconclusive. D) the t-test for matched pairs must be used.

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The Answer is A

In a Wilcoxon Signed Rank Test for Matched Pairs,the Test