For large samples, the sampling distribution for the Mann-Whitney U test and the Wilcoxon matched-pairs signed-ranks T test is the normal curve.

Question

Quizplus · Accepted Answer

For large samples, both the Mann-Whitney U test and the Wilcoxon matched-pairs signed-ranks T test can be approximated by a normal distribution due to the Central Limit Theorem, which states that the sampling distribution of any statistic will be normal or nearly normal if the sample size is large enough.

For Large Samples, the Sampling Distribution for the Mann-Whitney U