英语词汇“sign test letter”的中英文释义、用法、翻译及短语词组-英汉翻译词典-东流网

单词	sign test letter
释义	sign test letter [sain test ?let?] 释义 [医]符号检验：虚无假设(null hypothesis)的非参数统计检验，样本来自同一群体，中0是由具正符号观察数确定的，在虚无假设下即为二项式分布，p=0。5
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