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Refer to the MegaStat/Excel Output for the Wilcoxon Rank Sum

Question 21

Multiple Choice

Refer to the MegaStat/Excel output for the Wilcoxon rank sum test given in the table below. 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 H<sub>0</sub>: D<sub>1</sub> and D<sub>2</sub> are identical probability distributions and the alternative hypothesis of H<sub>a</sub>: D<sub>1</sub> is shifted to the left of D<sub>2</sub>. A) Reject H<sub>0</sub> if T ≥ 83 B) Reject H<sub>0</sub> if T ≤ 127 C) Reject H<sub>0</sub> if T ≥ 131 D) Reject H<sub>0</sub> if T ≤ 83 E) Reject H<sub>0</sub> if T ≤ 79
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

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