Using a P Level of 0

question 19

Multiple Choice

Using a p level of 0.05, a researcher performed the Wilcoxon signed-rank test with a sample size of 16 and found that the sum of the ranks for positive differences was 36 and the sum of the ranks for negative differences was 100.Which statement accurately describes the results of the hypothesis test for these data?

• A) Reject the null because the test statistics sum to above 100.
• B) The test statistic is larger than the critical cutoff, which is 29, so fail to reject the null hypothesis.
• C) The test statistic is larger than the critical cutoff, which is 29, so reject the null hypothesis.
• D) Fail to reject the null hypothesis because 36 is less than 100.

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