The SAS System                              1

                  Plot of x2*x1.  Symbol is value of ltr.

  x2 |
     |
  90 +
     |
  80 +                        g  o vbq w l  ahd
     |            u     m j fc i
  70 +        r       n epys
     |        k
  60 +
     |
  50 +
     |
  40 +
     |
  30 +
     |
  20 +
     |
  10 +
     |
   0 +
     |
     ---+------+------+------+------+------+------+------+------+------+--
        0     10     20     30     40     50     60     70     80     90

                                       x1

NOTE: 3 obs hidden.
                               The SAS System                              2

                  Plot of x2*x1.  Symbol is value of ltr.

x2 |
   |
85 +
   |
   |
   |                                                  w   l   a h
   |                                    g        b                d
80 +                                            v
   |                                         o      q
   |
   |                           m     x    ti
   |
75 +                                 f
   |
   |                  u           j    c
   |                           e
   |           r                    s
70 +                       z n  p y
   |
   |
   |
   |           k
65 +
   |
   ---+----------+----------+----------+----------+----------+----------+--
      0         10         20         30         40         50         60

                                      x1
                               The SAS System                              3

                           The PRINCOMP Procedure

                          Observations          26
                          Variables              2


                             Simple Statistics
 
                                      x1                x2

                  Mean       30.96923077       75.70769231
                  StD        12.60989355        4.86192744



                             Covariance Matrix
 
                                     x1                x2

                   x1       159.0094154        52.8038462
                   x2        52.8038462        23.6383385



                       Total Variance    182.64775385


                               The SAS System                              4

                           The PRINCOMP Procedure

                    Eigenvalues of the Covariance Matrix
 
                Eigenvalue    Difference    Proportion    Cumulative

           1    177.170125    171.692496        0.9700        0.9700
           2      5.477629                      0.0300        1.0000


                                Eigenvectors
 
                                  Prin1         Prin2

                       x1      0.945635      -.325230
                       x2      0.325230      0.945635

                               The SAS System                              5

               Plot of Prin2*Prin1.  Symbol is value of ltr.

Prin2 |
      |
   25 +
      |
      |
      |
   15 +
      |
      |
      |
    5 +                        m           g
      |   r        u                 x         o   v b     w
      |                      e   j  f      ti          q       l    a
      |  k              zn   p    s   c                               h d
   -5 +                        y
      |
      |
      |
  -15 +
      |
      |
      |
  -25 +
      |
      --+------------+------------+------------+------------+------------+--
       -25          -15          -5            5           15           25

                                       Prin1
                               The SAS System                              6

               Plot of Prin2*Prin1.  Symbol is value of ltr.

Prin2 |
      |
  5.0 +
      |                                    g
      |                          m
      |
      |         r      u
  2.5 +                                             b
      |                               x                 w
      |                                       o   v
      |
      |                               f    t                l
  0.0 +                                     i
      |                           j
      |                        e                      q         a
      |                    z                                      h
      |                                c
 -2.5 +       k             n                                      d
      |                        p   s
      |
      |                          y
      |
 -5.0 +
      |
      --+----------+----------+----------+----------+----------+----------+-
       -30        -20        -10         0         10         20         30

                                       Prin1
                               The SAS System                              7

                             The CORR Procedure

                      2  Variables:    x1       x2       


                             Simple Statistics
 
       Variable           N          Mean       Std Dev           Sum

       x1                26      30.96923      12.60989     805.20000
       x2                26      75.70769       4.86193          1968

                             Simple Statistics
 
                    Variable       Minimum       Maximum

                    x1             8.20000      54.60000
                    x2            65.60000      82.30000


                  Pearson Correlation Coefficients, N = 26 
                         Prob > |r| under H0: Rho=0
 
                                     x1            x2

                       x1       1.00000       0.86128
                                               <.0001

                       x2       0.86128       1.00000
                                 <.0001              
                               The SAS System                              8

                             The CORR Procedure

                      2  Variables:    Prin1    Prin2    


                             Simple Statistics
 
       Variable           N          Mean       Std Dev           Sum

       Prin1             26             0      13.31053             0
       Prin2             26             0       2.34043             0

                             Simple Statistics
 
                    Variable       Minimum       Maximum

                    Prin1        -24.53501      24.06730
                    Prin2         -3.86980       4.61332


                 Pearson Correlation Coefficients, N = 26 
                        Prob > |r| under H0: Rho=0
 
                                   Prin1         Prin2

                     Prin1       1.00000       0.00000
                                                1.0000

                     Prin2       0.00000       1.00000
                                  1.0000