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【多选题】
假设检验的具体步骤包括()。A.
根据实际问题的要求 , 提出原假设及备择假设
B.
确定检验统计量 , 并找出在假设成立条件下 , 该统计量所服从的概率分布
C.
根据所要求的显著性水平和所选取的统计量 , 查概率分布临界值表 , 确定临界值
D.
将样本观察值代入所构造的检验统计量中 , 计算出该统计量的值 与否定域
E.
判断计算出的统计量的值是否落入吾定域 , 如落入否定域 , 则拒绝原假设 , 否则 接受原假设
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