g是分组变量,f是分析变量,我想问一下
f Diff (1-2) 0.1306 3.93 7.7294 3.2545 4.2539 6.143 1.8214
表示什么呢?
谢谢
The TTEST Procedure
Statistics
Lower CL Upper CL Lower CL Upper CL
Variable g N Mean Mean Mean Std Dev Std Dev Std Dev Std Err Minimum Maximum
f 1 12 29.959 32.5 35.041 2.8333 3.9995 6.7907 1.1546 28 38.5
f 2 10 25.318 28.57 31.822 3.1266 4.5456 8.2985 1.4374 20 33.8
f Diff (1-2) 0.1306 3.93 7.7294 3.2545 4.2539 6.143 1.8214
T-Tests
Variable Method Variances DF t Value Pr > |t|
f Pooled Equal 20 2.16 0.0433
f Satterthwaite Unequal 18.2 2.13 0.0469
Equality of Variances
Variable Method Num DF Den DF F Value Pr > F
f Folded F 9 11 1.29 0.6779