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sampling error

noun

🔊/ˈsɑːmplɪŋ erə(r)/

🔊/ˈsæmplɪŋ erər/

(statistics统计)

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a situation in which a set of results or figures does not show a true situation, because the group of people or things it was based on was not typical of a wider group采样误差（所抽样本不具备代表性）