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SDCalc

Population Variance Calculator: σ^2 from Raw Data with Population Mean and Standard Deviation

Calculate population variance from raw data online. Enter your full population values to get σ^2, population standard deviation, mean, count, min, max, and range in one workflow.

12 values
Instant Math
Sample (n-1) / Population (N)

Use when your data represents a subset of a larger population. Applies Bessel's correction.

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Input your numbers into the Standard Deviation Calculator panel to see real-time statistics, variance, and normal distribution charts.