(两独立样本)只知道均值和标准差的z检验SPSS程序

分组Nx̅s1组120139.97.52组153147.36.3文件新建语法（改变以下需要改的数值均值和标准差）运行全部结果如下n1mean1sd1n2mean2sd2zpz1201407.50153143.70006.3000-4.45.00所用程序DATALISTFREE/n1mean1sd1n2mean2sd2zpz.BEGINDATA.120139.97.5153143.76.300ENDDATA.COMPUTEz=ABS((mean1-mean2)/sqrt(sd1**2/n1+sd2**2/n2)).COMPUTEpz=CDFNORM(-z)*2.DOIFmean2mean1.COMPUTEz=-z.ENDIF.FORMATSn1(f8.0)mean1n2(f8.0)mean2sd2fvaluezpz(f8.4).LISTn1mean1sd1n2mean2sd2zpz.