The REG Procedure
                               Model: MODEL1
                           Dependent Variable: y 

                           Analysis of Variance
 
                                 Sum of          Mean
 Source                DF       Squares        Square   F Value   Pr > F

 Model                  4    1379.29263     344.82316     11.81   0.0031
 Error                  7     204.37403      29.19629                   
 Corrected Total       11    1583.66667                                 


            Root MSE              5.40336    R-Square     0.8709
            Dependent Mean       32.83333    Adj R-Sq     0.7972
            Coeff Var            16.45693                       


                            Parameter Estimates
 
                         Parameter       Standard
    Variable     DF       Estimate          Error    t Value    Pr > |t|

    Intercept     1       -7.98075        8.14486      -0.98      0.3598
    x1            1       21.19048        4.86006       4.36      0.0033
    x2            1       -1.90504        1.98657      -0.96      0.3695
    x3            1        0.97208        1.63173       0.60      0.5701
    x4            1       10.00168        1.80694       5.54      0.0009