Variance calculator
Enter the numbers separated by commas.
Result
The variance of 2, 4, 4, 4, 5, 5, 7, 9 is 4.57 (sample).
Example
Calculate the sample variance of a set of numbers.
The variance of 2, 4, 4, 4, 5, 5, 7, 9 is 4.57 (sample).
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Methodology
Sample variance is the sum of squared deviations from the mean divided by n − 1.
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