The Wilcoxon signed rank test assumes that the population distribution in the difference of paired samples:
A)follows a chi-square distribution.
B)follows a Poisson distribution.
C)follows a binomial distribution.
D)is symmetrical.

Question

Quizplus · Accepted Answer

The Wilcoxon signed rank test assumes that the population distribution in the difference of paired samples is symmetrical. This means that the distribution is similar on both sides of the mean, which is a characteristic of some commonly used distributions, such as the normal distribution.

The Wilcoxon Signed Rank Test Assumes That the Population Distribution