⚡ Mann-Whitney U in 4 steps
A quick recipe on the practice survey dataset. Press the button to load the data and run it, or follow the steps yourself after File → Sample dataset.
What are the steps?
- Analyze → Nonparametric Tests → Legacy Dialogs → 2 Independent Samples…
- Test variable: q1 (an ordinal item).
- Grouping variable: gender.
- Press OK; read Mean Rank, U, Z and Sig.
What result should I see?
U = 2605.0, z = −0.74, p = .459
How to read every number: guide page. Worked through on a full study: Exam stress in first-year and final-year students.