# Questions the Wilcoxon Sign Test Answers

The Wilcoxon Sign Test is used to determine whether the mean ranks of two dependent, or matched, samples are different from each other. This is the non-parametric alternative to the dependent sample *t*-test. Technically, it tests if the average difference of a continuous variable that is measured twice is zero.

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Related Pages:

Conduct and Interpret a Wilcoxon Sign Test

What is the Wilcoxon Sign Test?