作两个大样本均数的比较时用()作两个小样本均数的假设检验用()配对计量资料的假设检验用()

A . ['https://assets.asklib.com/psource/201510161512097436.gif B .https://assets.asklib.com/psource/2015101615122615735.gif C .https://assets.asklib.com/psource/2015101615124697669.gif D .https://assets.asklib.com/psource/2015101615125563940.gif E .https://assets.asklib.com/psource/2015101615130395884.gif

时间:2022-10-29 10:40:11 所属题库:医学统计方法题库

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