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【单选题】
下面关于假设检验的陈述中正确的是A.
备择假设通常是指研究者想收集证据予以推翻的假设
B.
假设检验中的P值是根据样本数据计算出来的犯第I类错误的概率
C.
不拒绝原假设意味着原假设就是正确的
D.
小的样本通常会导致检验结果在“统计上是显著的”
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