Wilcoxon Signed-Rank Test Calculator
Non-parametric paired comparison test.
W Statistic
23
W-23
Z Approximation-1.2551
W Statistic vs Non-Zero Pairs
Formula
## Wilcoxon Signed-Rank Test **W = min(W+, W-)** Rank absolute differences, sum positive and negative ranks separately.
Esempio Risolto
12 pairs, W+=55.
- 01W- = 78-55 = 23
- 02W = min(55,23) = 23