x - 概率论与数理统计(经管类)(04183) - 专业知识收录平台"> x - 概率论与数理统计(经管类)(04183) - 专业知识收录平台">
设总体X的方差为1,根据来自总体X的容量为100的简单随机样本,测得样本均值x
(4.804,5.196)
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