Variance
The variance, which serves as a measure of statistical dispersion of a set of data, is defined as the square of the standard deviation. Variance is represented by s2 for sample variance and σ2 for population variance.
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The variance, which serves as a measure of statistical dispersion of a set of data, is defined as the square of the standard deviation. Variance is represented by s2 for sample variance and σ2 for population variance.