The test statistic for the large sample case of the Wilcoxon rank- sum test can be approximated by the ________ probability distribution.
A)chi- square
B)Student's t
C)normal
D)binomial

Question

Quizplus · Accepted Answer

The test statistic for the large sample case of the Wilcoxon rank-sum test can be approximated by the normal probability distribution. This is because, according to the central limit theorem, the distribution of the test statistic approaches a normal distribution as the sample size increases.

The Test Statistic for the Large Sample Case of the Wilcoxon