Levene's Test Calculator

Test if groups have equal variances (homogeneity of variance)

Center Measure:

Group 1 Data (comma-separated):

Group 2 Data (comma-separated):

Group 3 Data (optional):

Levene's test assesses whether groups have equal variances.

Null hypothesis: All groups have equal population variances.

Brown-Forsythe (median): More robust to non-normality.

Use when: Testing variance assumption before ANOVA or t-test.