Behrens-Fisher problem

noun

The problem of interval estimation and hypothesis testing concerning the difference between the means of two normally distributed populations when the variances of the two populations are not assumed to be equal, based on two independent samples.

Meanings

nounBehrens-Fisher problem (plural Behrens-Fisher problems)

plural Behrens-Fisher problems

  1. mathematicsThe problem of interval estimation and hypothesis testing concerning the difference between the means of two normally distributed populations when the variances of the two populations are not assumed to be equal, based on two independent samples.

Origin

Named after Walter Behrens and Ronald Fisher.

Full word history & related roots →
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APA

Behrens-Fisher problem. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Behrens-Fisher%20problem

MLA

“Behrens-Fisher problem.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Behrens-Fisher%20problem. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “Behrens-Fisher problem,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Behrens-Fisher%20problem.

Source: Behrens-Fisher problem on Wiktionary, CC BY-SA 4.0.