Question

Refer to the MegaStat/Excel output for the Wilcoxon rank sum test given in the table below.

At a significance level of .05, which one of the following rejection point conditions is correct regarding the null hypothesis, H0: D1 and D2 are identical probability distributions, and the alternative hypothesis of Ha: D1 is shifted to the left of D2
A. Reject H0 if T 83.
B. Reject H0 if T 127.
C. Reject H0 if T 131.
D. Reject H0 if T 83.
E. Reject H0 if T 79.

Answer

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