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

Question

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

Quizplus · Accepted Answer

The Answer of 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

A Researcher Wants to Determine Whether the Means of Two