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欲比较两组阳性反应率, 在样本量非常小的情况下,应采用( )

A、四格表χ2检验

B、校正四格表χ2检验

C、Fisher确切概率法

D、配对χ2检验

时间：2021-09-01 16:47 关键词：青书学堂平顶山学院护理学妇产科护理学(专升本)

答案解析

C

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