A Researcher Wants to Determine Whether the Means of Two

Multiple Choice

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 test statistic is ______.

A) 16
B) 17
C) 18
D) 63
E) 64