1、 高级生物统计0010:0.5,:.HH0010:225,:.HH data oy;input y;y=y-114;cards;116 115 113 112 114 117 115 116 114 113;proc means n mean t prt;run;The SAS System 17:54 Wednesday,March 15,2000 4 The MEANS Procedure Analysis Variable:y N Mean t Value Pr|t|儍儍儍儍儍儍儍儍儍儍儍儍儍儍儍儍儍儍儍儍僜 10 0.5000000 1.00 0.3434 儍儍儍儍儍儍儍儍儍儍儍儍儍儍
2、儍儍儍儍儍儍儅012112:0,:0.HHThe SAS System 20:38 Wednesday,March 15,2000 5 The MEANS Procedure Analysis Variable:d Mean Std Error t Value Pr|t|-0.7300000 0.1406730 -5.19 0.0006 Data new;do c=1 to 2;input n;do i=1 to n;input x ;output;end;end;cards;121.20 1.32 1.10 1.28 1.35 1.08 1.18 1.25 1.30 1.12 1.19 1.
3、0511 2.00 1.85 1.60 1.78 1.96 1.88 1.82 1.70 1.68 1.92 1.80;proc ttest;class c;var x;run;Lower CL Upper CL Lower CL Upper CL Variable x N Mean Mean Mean Std Dev Std Dev Std Dev Std Err Minimum Maximum y 12 1.1383 1.2017 1.2651 0.0707 0.0998 0.1695 0.0288 1.05 1.35 y 11 1.7348 1.8173 1.8998 0.0858 0.1228 0.2155 0.037 1.6 2 y Diff(1-2)-0.712 -0.616 -0.519 0.0857 0.1114 0.1591 0.0465 T-Tests Variable Method Variances DF t Value Pr|t|y Pooled Equal 21 -13.24 .0001 y Satterthwaite Unequal 19.3 -13.12 F y Folded F 10 11 1.51 0.50582222012112:,:.HH
