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variance

Pronunciation: var'e-ans

Definition:

  1. The state of being variable, different, divergent, or deviate; a degree of deviation.
  2. A measure of the variation shown by a set of observations, defined as the sum of squares of deviations from the mean, divided by the number of degrees of freedom in the set of observations.
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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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