试题与答案

在统计中,样本的标准差可以近似地反映总体的( ) A.平均状态 B.分布规律 C.最大

题型:选择题

题目:

在统计中,样本的标准差可以近似地反映总体的(  )
A.平均状态B.分布规律
C.最大值和最小值D.波动大小

答案:

答案:D

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