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A Researcher Wants to Determine Whether the Means of Two

Question 86

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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.The sum of ranks for sample II is ______. A) 72 B) 73 C) 75 D) 77 E) 78 She uses the Mann-Whitney U test and a significance level of 0.05.The sum of ranks for sample II is ______.


A) 72
B) 73
C) 75
D) 77
E) 78

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