Variance Calculator

Calculate sample and population variance from six data values.

InputsChange a value to recalculate instantly

Value 1

Value 2

Value 3

Value 4

Value 5

Value 6

ResultUpdates as you type

Sample variance14.17

Population variance11.81

Sample standard deviation3.76

How it worksTransparent math

Formulas²=Σ(x−x̄)²/(n−1); σ²=Σ(x−μ)²/n

Calculates both sample and population variance. Sample variance uses n−1 in the denominator.

Result breakdownSee the important numbers together

1Sample variance14.17

2Population variance11.81

3Sample standard deviation3.76

λ DooMathWork with this calculation

Local · deterministic · optional

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Quick mathNatural-language-style shortcuts for deterministic arithmetic.

Calculator guide

How to use the Variance Calculator

Calculate sample and population variance from six data values.

01Set inputsChoose values, units and assumptions.

02Apply the models² = Σ(x−x̄)²/(n−1)

03Read the resultCheck the output against the assumptions before using it.

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Calculate sample and population variance from six data values.

functions

s² = Σ(x−x̄)²/(n−1)

fact_check

Review the inputs, units and assumptions before using the result for a real decision.