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

question 81

Multiple Choice

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 H_a: 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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