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expected value

expected value Expected value is the average a statistic would have across its sampling distribution, or over many repeated samples.

Expected value is the average a statistic would have across its sampling distribution, or over many repeated samples. In plain terms, it is the statistic’s long-run average value.

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Sources

Drafting source: Online Statistics Education, version 2 (David M. Lane, project leader). Version 2; publisher statement snapshot 2026-10-18; SHA-256 0dcad9ee85f61f9e2bb24d26279de155ac749164ea4da2a3bffeabcf9ea471a6. “Expected Value” (expected_value.html).
public-domain-US · Definition uses new wording; original source retains its stated licence. · Source snapshot SHA-256: d7024f8f3428cfab117ac0af134b99af018e243d0c09c110f8c6aa9e23b30c32

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. “expected value.” Development preview.

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