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One-Way ANOVA Calculator

Compute the F-statistic for a one-way ANOVA from the treatment and error sums of squares and their degrees of freedom. The standard test for comparing the means of three or more groups simultaneously — used in experimental design, A/B/C testing, and any multi-group comparison.

Treatment Sum of Squares

Error Sum of Squares

Treatment Degrees of Freedom

Error Degrees of Freedom

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Statistics

Variance Calculator

Compute population or sample variance from the sum of squared deviations and the sample size. The fundamental measure of how spread out a dataset is around its mean, and the building block of standard deviation, ANOVA, and most parametric inference.

Number of Values

Sum of Squared Deviations

Variance Type

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Key differences

	One-Way ANOVA Calculator	Variance Calculator
Category	Statistics	Statistics
Inputs required	4	3
Result	F-Statistic	Variance
What it does	Compute the F-statistic for a one-way ANOVA from the treatment and error sums of squares and their degrees of freedom. The standard test for comparing the means of three or more groups simultaneously — used in experimental design, A/B/C testing, and any multi-group comparison.	Compute population or sample variance from the sum of squared deviations and the sample size. The fundamental measure of how spread out a dataset is around its mean, and the building block of standard deviation, ANOVA, and most parametric inference.