The variance measure of a variable, with values clustered more closely around the mean value, is larger than when the values are more widely dispersed from the mean.

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Variance measures how far a set of numbers are spread out from their average value. When values are clustered more closely around the mean, the variance is smaller; when values are more widely dispersed from the mean, the variance is larger.

The Variance Measure of a Variable, with Values Clustered More