Last Updated
：2025/12/05
Behrens-Fisher problem
Noun
Japanese Meaning
統計学において、2つの正規分布に従う母集団の平均値の差を推定または検定する際、各母集団の分散が等しいとは仮定せず、2つの独立したサンプルに基づいて行われる問題。
（ plural ）
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(statistics) 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.
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Behrens-Fisher problem
When comparing two clinical trial groups with unequal variances, we need to address the Behrens-Fisher problem to draw valid conclusions about the difference in means.
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When comparing two clinical trial groups with unequal variances, we need to address the Behrens-Fisher problem to draw valid conclusions about the difference in means.
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