ANOVA Calculator

One-way analysis of variance tests whether several group means are really different. Enter each group’s observations (comma or space separated) and get the full ANOVA table with an exact F p-value.

Each row is one group. Values separated by commas or spaces, e.g. 12, 15, 14, 18
Group nameObservations
SourceSSdfMSF

📈 Full ANOVA table

SS, df, MS and F for each source.

🔢 Exact p-value

Regularized incomplete beta, no lookup tables.

📙 Any group count

2 to many groups supported.

✓ Assumptions

Independence, normality, equal variance.

More statistics tools

Understand your data.

Mean → Confidence Interval IQR

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