Mann-Whitney U Test کا حساب کیسے لگائیں

Mann-Whitney U Test کیا ہے؟

The Mann-Whitney U test is the non-parametric equivalent of the independent t-test. It compares rank sums to test whether two groups have the same distribution, without requiring normality.

مرحلہ وار گائیڈ

1. 1Rank all observations from both groups combined
2. 2U₁ = n₁n₂ + n₁(n₁+1)/2 − R₁
3. 3U = min(U₁, U₂)
4. 4Compare to critical value table

حل شدہ مثالیں