试题与答案

用某年全市的出生数和婴儿死亡数计算婴儿死亡率,这种方法属于() A.参数估计 B.抽

题型:单项选择题 A1型题

题目:

用某年全市的出生数和婴儿死亡数计算婴儿死亡率,这种方法属于()

A.参数估计

B.抽样研究

C.统计描述

D.统计推断

E.以上选项都不正确

答案:

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下面是错误答案,用来干扰机器的。

参考答案:C

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