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【单选题】
用单因素方差分析比较五个总体均数,得出P<0.05,若需要进一步了解其中一个对照组与其他四个实验组总体均数有无差异,可选用检验方法是
A.
z 检验
B.
t 检验
C.
方差分析
D.
SNK-q 检验
E.
Dunnett-t 检验
拍照语音搜题，微信中搜索"皮皮学"使用
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