要减少抽样误差,必须注意的问题是 ( ) -题库考试答案搜索网

要减少抽样误差,必须注意的问题是 ( )

多选题

2021-07-17 23:00

A、必须正确地确定抽取样本的方法,使样本对母体有充分的代表性
B、恰当地确定样本数目
C、加强抽样调查的组织工作
D、选择好的总体进行调查
E、选择好的单位进行调查

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正确答案

ABC

试题解析

标签：连锁经营管理市场调研与预测作业题

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