The SAS System

The REG Procedure
Model: MODEL1
Dependent Variable: write

Analysis of Variance
Source DF Sum of
Squares
Mean
Square
F Value Pr > F
Model 2 2154.11191 1077.05596 19.39 <.0001
Error 22 1222.04809 55.54764    
Corrected Total 24 3376.16000      
 
Root MSE 7.45303 R-Square 0.6380
Dependent Mean 50.44000 Adj R-Sq 0.6051
Coeff Var 14.77603    
 
Parameter Estimates
Variable DF Parameter
Estimate
Standard
Error
t Value Pr > |t|
Intercept 1 7.07533 7.56161 0.94 0.3596
female 1 5.95697 3.07209 1.94 0.0654
math 1 0.76991 0.14323 5.38 <.0001