Mann-Whitney U Test Calculator — 公式

## Mann-Whitney U Test

**U = n1*n2 + n1*(n1+1)/2 - R1**

Compares two independent groups without assuming normality.

计算示例

n1=10, n2=12, R1=85.

  1. U1 = 120 + 55 - 85 = 90
  2. U2 = 120 - 90 = 30