英语词汇“平均差”的翻译、意思、用法、释义-英汉汉英双解词典

单词	平均差
释义	平均差 píng jūn chà在一个有 n 个元素的统计分布中,存在于各对元素之间的 nn-1/2 个绝对差值的平均值mean difference
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