试题与答案

为了能对总体的有关参数进行估计,样本中的个体是()抽取。 A.按照一定的概率 B.按

题型:单项选择题

题目:

为了能对总体的有关参数进行估计,样本中的个体是()抽取。

A.按照一定的概率

B.按照随机的原则

C.按照随便的原则

D.按照主观性原则

答案:

参考答案:A

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