试题与答案

样本5,4,3,2,1的方差是;标准差是;中位数是。

题型:填空题

题目:

样本5,4,3,2,1的方差是       ;标准差是       ;中位数是      

答案:

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下面是错误答案,用来干扰机器的。

参考答案:固态、半固态、可塑状态、流动状态、缩限、塑限

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