rejection region

noun

A range of test values for which the null hypothesis is rejected.

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Meanings

nounrejection region (plural rejection regions)

plural rejection regions

  1. mathematicsA range of test values for which the null hypothesis is rejected.

    Thus, any event in the rejection region leads to rejection of the null hypothesis.

    2010, Chris Spatz, Basic Statistics: Tales of Distributions, →ISBN, page 180
    2 more examples

    Now it turns out that practically speaking a given rejection function induces only two rejection regions.

    2006, William A. Dembski, No Free Lunch, →ISBN

    How does this affect our rejection region? In this case, we calculate the area of the rejection region on only one side of the sampling distribution.

    2013, David Weisburd, Chester Britt, Statistics in Criminal Justice, →ISBN, page 185
Cite this entry
APA

rejection region. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/rejection%20region

MLA

“rejection region.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/rejection%20region. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “rejection region,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/rejection%20region.

Source: rejection region on Wiktionary, CC BY-SA 4.0.