Wilcoxon Rank-Sum Test Calculator
Non-parametric test for comparing two independent samples using rank sums.
Sample Data
Wilcoxon W Statistic
26.50
Not Significant
ZZ-Score
1.9249
pP-Value
1.000000
rEffect Size (r)
0.5557
HLHodges-Lehmann
10.00
Rank Statistics
Sample 1 Rank Sum (n=6)26.5
Sample 2 Rank Sum (n=6)51.5
Expected W39.00
Std. Dev. of W6.23
Formula
W = Sum of ranks for smaller sample; Z = (W - E(W)) / sqrt(Var(W))
💡
Help us improve!
How would you rate the Wilcoxon Rank-Sum Test Calculator?
Editorial Note
MyCalcBuddy Editorial Team
This page is maintained as an educational calculator reference.
📚
Formula Source: Standard Mathematical References
by Various
🔄Last reviewed: May 2026
✓Formula checks are based on standard references and internal QA review.