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全面调查是从研究对象的总体中,按照随机原则抽取一部分单位作为样本进行调查,并用样本调查的结果来推断总体。 ( )
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全面调查是从研究对象的总体中,按照随机原则抽取一部分单位作为样本进行调查,并用样本调查的结果来推断总体。 ( )
A、正确
B、错误
时间：2022-04-02 19:22
关键词：
桂林理工大学
工商企业管理
高起专
市场调查与预测
答案解析
B
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