CORRELATIONS & REGRESSION FOR BODY FAT DATA

 SYSTAT Rectangular file C:\SYSTAT7\S209\BODYFAT2.SYD,
 created Thu Mar 11, 1999 at 12:05:50, contains variables:
  X1           X2           X3           Y            BODFAT       TRICEPS
  THIGH        MIDARM
 
 Pearson correlation matrix
 
                    TRICEPS        THIGH       MIDARM       BODFAT
  TRICEPS             1.000
  THIGH               0.924        1.000
  MIDARM              0.458        0.085        1.000
  BODFAT              0.843        0.878        0.142        1.000
 
 Number of observations: 20
 
  
 Dep Var: BODFAT   N: 20   Multiple R: 0.895   Squared multiple R: 0.801
 
 Adjusted squared multiple R: 0.764   Standard error of estimate: 2.480
 
 Effect         Coefficient    Std Error     Std Coef Tolerance     t   P(2 Tail)
 
 CONSTANT           117.085       99.782        0.0        .       1.173    0.258
 TRICEPS              4.334        3.016        4.264     0.001    1.437    0.170
 THIGH               -2.857        2.582       -2.929     0.002   -1.106    0.285
 MIDARM              -2.186        1.595       -1.561     0.010   -1.370    0.190
  
                              Analysis of Variance
  
 Source             Sum-of-Squares   df  Mean-Square     F-ratio       P
 
 Regression               396.985     3      132.328      21.516       0.000
 Residual                  98.405    16        6.150
 -------------------------------------------------------------------------------
 
  
 Durbin-Watson D Statistic     2.243
 First Order Autocorrelation  -0.168

Last modified 13 April 1999