英语词汇“probable error”是什么意思，“probable error”的读音、用法及例句翻译-乐坝网

词汇	probable error
释义	probable errorn.Abbr. P.E.Statistics （名词）缩写 P.E.【统计学】 The amount by which the arithmetic mean of a sample is expected to vary because of chance alone.或然误差：因偶然性而导致的某一抽样的算术中介预期出现的偏差的量
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