conditonal on s>=.02 and LQsal97>=2

  N Mean Mean
LQsize97 LQest97 LQest07 difLQest_data
All 1703 4.4 6.5 5.5 -10
chinanewcat0 92 5.7 4.8 2.6 -37
1
2 101 4.5 3.8 2.8 -20
3 179 4.2 5.8 5.1 -5
4 130 5.0 5.0 4.4 -9
5 890 4.1 7.7 6.7 -6
6 311 4.6 5.6 4.6 -10


conditonal on s>=.02 and LQsal97>=2

  N Mean
difLQ1_china difLQ1_RTM difLQ1_china_RTM difLQ2_china difLQ2_RTM difLQ2_china_RTM difLQ2_china_RTM_newpop
chinanewcat0 92 8 -17 -10 -37 -13 -43 -45
1
2 101 4 -15 -12 -12 -11 -20 -23
3 179 2 -17 -15 -5 -12 -16 -19
4 130 1 -16 -16 -2 -12 -14 -18
5 890 0 -17 -17 -0 -14 -14 -18
6 311 0 -17 -17 0 -13 -13 -16


compare 1 with 3

The TTEST Procedure
 
Variable: difLQest_data

chinacat2 N Mean Std Dev Std Err Minimum Maximum
1 92 -37.4551 56.9023 5.9325 -100.0 150.0
3 1510 -7.0937 46.7448 1.2029 -100.0 306.0
Diff (1-2)   -30.3613 47.3810 5.0881    

chinacat2 Method Mean 95% CL Mean Std Dev 95% CL Std Dev
1   -37.4551 -49.2392 -25.6710 56.9023 49.7008 66.5637
3   -7.0937 -9.4534 -4.7341 46.7448 45.1351 48.4745
Diff (1-2) Pooled -30.3613 -40.3413 -20.3814 47.3810 45.7948 49.0818
Diff (1-2) Satterthwaite -30.3613 -42.3728 -18.3499      

Method Variances DF t Value Pr > |t|
Pooled Equal 1600 -5.97 <.0001
Satterthwaite Unequal 98.627 -5.02 <.0001

Equality of Variances
Method Num DF Den DF F Value Pr > F
Folded F 91 1509 1.48 0.0055


compare 2 with 3

The TTEST Procedure
 
Variable: difLQest_data

chinacat2 N Mean Std Dev Std Err Minimum Maximum
2 101 -20.1711 52.4826 5.2222 -100.0 317.3
3 1510 -7.0937 46.7448 1.2029 -100.0 306.0
Diff (1-2)   -13.0773 47.1218 4.8431    

chinacat2 Method Mean 95% CL Mean Std Dev 95% CL Std Dev
2   -20.1711 -30.5318 -9.8104 52.4826 46.1081 60.9185
3   -7.0937 -9.4534 -4.7341 46.7448 45.1351 48.4745
Diff (1-2) Pooled -13.0773 -22.5767 -3.5779 47.1218 45.5486 48.8084
Diff (1-2) Satterthwaite -13.0773 -23.6966 -2.4580      

Method Variances DF t Value Pr > |t|
Pooled Equal 1609 -2.70 0.0070
Satterthwaite Unequal 110.87 -2.44 0.0163

Equality of Variances
Method Num DF Den DF F Value Pr > F
Folded F 100 1509 1.26 0.0926