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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