To compute the test statistic for the Mann-Whitney U test,we sum the ranks in two groups.The test statistic is ______.
A) the larger total
B) the smaller total
C) the average of the two totals
D) the product of the two totals

Question

Quizplus · Accepted Answer

The Mann-Whitney U test statistic is the smaller of the two sums of ranks. This is because the test is based on the idea of comparing the ranks of the observations between the two groups, and the group with the smaller sum of ranks is considered to have the lower values overall.

To Compute the Test Statistic for the Mann-Whitney U Test,we