Last Updated
：2025/12/04
Wilson score interval
Noun
Japanese Meaning
ウィルソンスコア区間とは、統計学における信頼区間の一種で、通常の二項分布の近似信頼区間よりも実際のカバレッジ確率が定められた名目値に近くなるよう改善された方法です。
（ plural ）
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(statistics) An improvement over the normal binomial approximation interval in that the actual coverage probability is closer to the nominal value.
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When reporting small-sample proportions, many statisticians prefer the Wilson score interval because its actual coverage probability is closer to the nominal value than the normal approximation.
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When reporting small-sample proportions, many statisticians prefer the Wilson score interval because its actual coverage probability is closer to the nominal value than the normal approximation.
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