StatisticsAnalysis of Variance

One-Way ANOVA

Compare the means of 3 or more groups using analysis of variance. Enter raw comma-separated values for up to 4 groups to get the full ANOVA table, F-statistic, p-value, and box plot.

Live Calculator · F-Test · Statistics
Inputs
Group 1
Group 2
Group 3
Group 4 (optional — leave blank to skip)
Results
F-Statistic
P-Value (approx.)
df Between (k−1)
df Within (N−k)
Decision
ANOVA Table
SourceSSdfMSFp-value
Between
Within
Total
Step-by-Step
Group Box Plots with Grand Mean

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