Wilcoxon Rank-Sum Test Calculator

Non-parametric test for comparing two independent samples using rank sums.

Sample Data

Sample 1 (comma-separated)

Sample 2 (comma-separated)

Significance Level (alpha)

Wilcoxon W Statistic

26.50

Not Significant

ZZ-Score

1.9249

pP-Value

1.000000

rEffect Size (r)

0.5557

HLHodges-Lehmann

10.00

Sample 1 Rank Sum (n=6)26.5

Sample 2 Rank Sum (n=6)51.5

Expected W39.00

Std. Dev. of W6.23

W = Sum of ranks for smaller sample; Z = (W - E(W)) / sqrt(Var(W))