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A Researcher Wants to Determine Whether the Means of Two

Question 68

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A researcher wants to determine whether the means of two independent populations are the same.She has two independent random samples,one from each population,shown in the following table: A researcher wants to determine whether the means of two independent populations are the same.She has two independent random samples,one from each population,shown in the following table: She uses the Mann-Whitney U test and a significance level of 0.05.Then μ<sub>U</sub> is ______. A) 4.5 B) 9 C) 31.5 D) 40 E) 63 She uses the Mann-Whitney U test and a significance level of 0.05.Then μU is ______.


A) 4.5
B) 9
C) 31.5
D) 40
E) 63

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