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variance

variance Variance is a common statistical measure of how spread out a set of scores is.

Variance is a common statistical measure of how spread out a set of scores is. It is calculated as the average of the squared differences between the scores and their mean.

Also see

Sources

Drafting source: Online Statistics Education, version 2 (David M. Lane, project leader). Version 2; publisher statement snapshot 2026-10-18; SHA-256 0dcad9ee85f61f9e2bb24d26279de155ac749164ea4da2a3bffeabcf9ea471a6. “Variance” (variance.html).
public-domain-US · Definition uses new wording; original source retains its stated licence. · Source snapshot SHA-256: 2a63e5fa7747ad488bae656c372456b029d1cc5023903c6c249f177285a76d5e

These citations identify the drafting sources. 2/2 independent reader passes against the pinned source packet. The drafter does not count as a reader. Source institutions do not endorse this dictionary.

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PsychTerms (psychterms.org), CC BY 4.0, version 1. “variance.” Development preview.

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