Online Tools and Calculators > Math > Sample Variance Calculator

Sample Variance Calculator

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About This Tool

The online Sample Variance Calculator is used to calculate the sample variance of a set of numbers.

Calculating Sample Variance

The sample variance is calculated by following formula:

Sample Variance Formula

Where:
s2 = sample variance
x1, ..., xN = the sample data set
x̄ = mean value of the sample data set
N = size of the sample data set

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