When one or both sample sizes are smaller than 10,the sampling distribution of the R statistic does not approximate a normal distribution,so application of the _____ is not appropriate.
A)Wilcoxon rank sum test
B)Mann-Whitney U test
C)multiple R test
D)none of these

Question

Quizplus · Accepted Answer

The Wilcoxon rank sum test is not appropriate when one or both sample sizes are smaller than 10 because the sampling distribution of the R statistic does not approximate a normal distribution.

When One or Both Sample Sizes Are Smaller Than 10,the