Free Mann-Whitney U Test Calculator
Calculate the Mann-Whitney U statistic for comparing two independent samples.
U Statistic
90.0
U2 Statistic30.0
Z Approximation1.9781
U Statistic vs Sample 1 Size
Mann-Whitney U Test
U = n1*n2 + n1*(n1+1)/2 - R1
Compares two independent groups without assuming normality.
Example Calculation
n1=10, n2=12, R1=85.
- 01U1 = 120 + 55 - 85 = 90
- 02U2 = 120 - 90 = 30
Frequently Asked Questions
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