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 appropriate
Decision is ______.
A) reject the null hypothesis that the two populations have different means
B) fail to reject the null hypothesis that the two populations have different means
C) reject the null hypothesis that the two populations have equal means
D) fail to reject the null hypothesis that the two populations have equal means
E) do nothing

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 appropriate
Decision is ______.
A) reject the null hypothesis that the two populations have different means 
B) fail to reject the null hypothesis that the two populations have different means 
C) reject the null hypothesis that the two populations have equal means 
D) fail to reject the null hypothesis that the two populations have equal means 
E) do nothing

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 appropriate
Decision is ______.
A) reject the null hypothesis that the two populations have different means 
B) fail to reject the null hypothesis that the two populations have different means 
C) reject the null hypothesis that the two populations have equal means 
D) fail to reject the null hypothesis that the two populations have equal means 
E) do nothing

A Researcher Wants to Determine Whether the Means of Two