A.单样本的t检验
B.配对t检验
C.t"检验
D.方差齐性检验
E.成组t检验
2023-08-25
同一受试对象用两种不同处理方法所得数值型变量资料比较,应选择的统计方法是
参考答案:B
参考答案:B
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2023-08-25
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