首页/ 题库 / [单选题]某广告制作商声称有30%以上的看过此广告的答案

某广告制作商声称有30%以上的看过此广告的电视观众喜欢此广告。为了证明这一声明是否属实,对抽样调查结果进行了检验。这一假设检验应采用( )。

单选题
2022-04-02 21:13
A、双侧检验
B、单侧检验
C、左侧检验
D、右侧检验
查看答案

正确答案
D

试题解析

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