Variance Calculator

Variance is the average squared distance from the mean, using the selected population or sample convention. Formula: Population: σ² = Σ(x−μ)² ÷ N; Sample: s² = Σ(x−x̄)² ÷ (n−1)

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Result:

Calculate Variance

Variance is the average squared distance from the mean, using the selected population or sample convention.

Formula: Population: σ² = Σ(x−μ)² ÷ N; Sample: s² = Σ(x−x̄)² ÷ (n−1)

Write the inputs in the form required by the formula and check the result with a small reference case. For equations and statistics, make sure the selected convention matches the problem you are solving.

Substitute the same inputs into the displayed formula and compare the calculated value with the result shown by the tool.

Frequently Asked Questions FAQ

What does Variance Calculator calculate?

Variance is the average squared distance from the mean, using the selected population or sample convention.

What is the formula for Variance Calculator?

The formula used by the calculator is: Population: σ² = Σ(x−μ)² ÷ N; Sample: s² = Σ(x−x̄)² ÷ (n−1)

What inputs does Variance Calculator need?

Enter the data set and select the population or sample convention used for variance.

How can I verify the Variance Calculator result?

Substitute the same inputs into the displayed formula and compare the calculated value with the result shown by the tool.

How should I round the Variance Calculator result?

Keep exact values such as fractions or radicals when useful, and round only the final numerical result when a decimal answer is required.

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