The SAS System                                1
                                                 21:11 Wednesday, August 1, 2001

                               OBS     Y      X

                                 1    3.1    5.5
                                 2    2.3    4.8
                                 3    3.0    4.7
                                 4    1.9    3.9
                                 5    2.5    4.5
                                 6    3.7    6.2
                                 7    3.4    6.0
                                 8    2.6    5.2
                                 9    2.8    4.7
                                10    1.6    4.3
                                11    2.0    4.9
                                12    2.9    5.4
                                13    2.3    5.0
                                14    3.2    6.3
                                15    1.8    4.6
                                16    1.4    4.3
                                17    2.0    5.0
                                18    3.8    5.9
                                19    2.2    4.1
                                20    1.5    4.7
                                 The SAS System                                2
                                                 21:11 Wednesday, August 1, 2001

Model: MODEL1  
Dependent Variable: Y          GPA at the end of the freshman year     

                              Analysis of Variance

                                 Sum of         Mean
        Source          DF      Squares       Square      F Value       Prob>F

        Model            1      6.43373      6.43373       33.998       0.0001
        Error           18      3.40627      0.18924
        C Total         19      9.84000

            Root MSE       0.43501     R-square       0.6538
            Dep Mean       2.50000     Adj R-sq       0.6346
            C.V.          17.40057

                              Parameter Estimates

                       Parameter      Standard    T for H0:               
      Variable  DF      Estimate         Error   Parameter=0    Prob > |T|

      INTERCEP   1     -1.699561    0.72677682        -2.338        0.0311
      X          1      0.839912    0.14404759         5.831        0.0001

                    Variable
      Variable  DF     Label

      INTERCEP   1  Intercept                               
      X          1  Entrance test score                     

                                 The SAS System                                3
                                                 21:11 Wednesday, August 1, 2001

                Plot of Y*X.  Legend: A = 1 obs, B = 2 obs, etc.

  3.8 +                                                          A
      |
  3.7 +                                                                 A
      |
  3.6 +
      |
  3.5 +
G     |
P 3.4 +                                                            A
A     |
  3.3 +
a     |
t 3.2 +                                                                   A
      |
t 3.1 +                                                A
h     |
e 3.0 +                             A
      |
e 2.9 +                                              A
n     |
d 2.8 +                             A
      |
o 2.7 +
f     |
  2.6 +                                         A
t     |
h 2.5 +                        A
e     |
  2.4 +
f     |
r 2.3 +                               A    A
e     |
s 2.2 +              A
h     |
m 2.1 +
a     |
n 2.0 +                                  A A
      |
y 1.9 +          A
e     |
a 1.8 +                          A
r     |
  1.7 +
      |
  1.6 +                   A
      |
  1.5 +                             A
      |
  1.4 +                   A
      -+-----------+-----------+-----------+-----------+-----------+-----------+
      3.5         4.0         4.5         5.0         5.5         6.0        6.5

                                  Entrance test score