In the Wilcoxon signed rank test for testing about a single population median, if the sample size is large (n 20), the test statistic can be approximated by the standard normal distribution.

Question

In the Wilcoxon signed rank test for testing about a single population median, if the sample size is large (n > 20), the test statistic can be approximated by the standard normal distribution.

Quizplus · Accepted Answer

For large sample sizes (n > 20), the distribution of the Wilcoxon signed rank test statistic approaches a normal distribution, allowing for the approximation of the test statistic by the standard normal distribution for inference purposes.

In the Wilcoxon Signed Rank Test for Testing About a Single