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precision

precision Precision is how closely a statistic is expected to reflect the population value it is meant to estimate.

Precision is how closely a statistic is expected to reflect the population value it is meant to estimate. A more precise statistic shows less variation across samples and is commonly described in relation to its standard error.

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. “Precision” (precision.html).
public-domain-US · Definition uses new wording; original source retains its stated licence. · Source snapshot SHA-256: ccd69b30cb8f5f52d2c358b8455f6d21454f74cd9d453a2522c45df0edb25c70

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

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