分组 | N | s |
1组 | 30 | 9.360.83 | 罗口袜
2组 | 30 | 7.580.64 |
| | |
运行全部
结果如下
n1 mean1 sd1 n2 mean2 sd2 fvalue fp tvalue pt tc df pc
30 9 .93 30 7.5800 .6400 2.1116 .0224 .0000 .0000 8.6360 42.9107 .0000
采果器所用程序
超强电磁铁Number of cases read: 1 Number of cases listed: 1
DATA LIST FREE/n1 mean1 sd1 n2 mean2 sd2 fvalue fp tvalue pt tc df pc.
BEGIN DATA.
30 9.36 0.93 30 7.58 0.64 0 0 0 0 0 0 0.
END DATA.
COMPUTE fvalue=sd1**2/sd2**2.
兰兰过桥教案
DO IF sd1 GE sd2.
COMPUTE fp=1-CDF.F(fvalue,n1,n2).
else if sd1 LT sd2.
闽江大学COMPUTE fp=1-CDF.F(fvalue,n1,n2).
END IF .
COMPUTE tvalue=ABS((mean1-mean2)/sqrt((((n1-1)*sd1**2+(n2-1)*sd2**2)/(n2+na-2))*(1/n1+1/n2))).
COMPUTE pt=CDF.T(-tavlue,n1+n2-2)*2.
COMPUTE tc=ABS((mean1-mean2)/sqrt(sd1**2/n1+sd2**2/n2)).
弾孔
COMPUTE df=(((sd1/sqrt(n1))**2+(sd2/sqrt(n2))**2)**2)/((sd1/sqrt(n1)**4/(n1-1)+(sd2/sqrt(n2))**4/(n2-1))).
COMPUTE pc=CDF.T(-tc,df)*2.
DO IF mean2>mean1.
COMPUTE tvalue=-tvalue.
END IF .
FORMATS n1(f8.0) mean1 n2(f8.0) mean2 sd2 fvalue fp tvalue pt tc df pc(f8.4).
LIST n1 mean1 sd1 n2 mean2 sd2 fvalue fp tvalue pt tc df pc.