Friedman Test Calculator

Non-parametric alternative to repeated measures ANOVA for comparing multiple related groups.

Data Matrix

Data (rows=subjects, cols=treatments)

Significance Level (alpha)

Friedman Chi-Square

3.6000

Not Significant

dfDegrees of Freedom

2

pP-Value

0.165299

WKendall's W

0.3600

cvCritical Value

5.991

Mean Ranks by Treatment

T1: 2.00T2: 2.60T3: 1.40

Formula

Chi-r = [12/(n*k*(k+1))] * Sum(Rj^2) - 3n(k+1)