Data from March 1980 to April 1981; 14 cases.
- BLOOD = response variable; mean lead concentration in umbilical cord blood of babies born in a major Boston hospital (micro g/dl)
- LEAD = statewide Lead Sold in Gasoline (Metric Tons)
SAS OUTPUT:
BLOOD = SALES
Response Distribution: Normal
Link Function: Identity
Model Equation
BLOOD = 4.1082 + 0.0149 SALES
Parametric Regression Fit
Model Error
Curve Degree(Polynomial) DF Mean Square DF
1 1 3.7783 12
Parametric Regression Fit
Error
Mean Square R-Square F Stat Prob > F
0.3797 0.4533 9.9517 0.0083
Summary of Fit
Mean of Response 5.9571 R-Square 0.4533
Root MSE 0.6162 Adj R-Sq 0.4078
Analysis of Variance
Source DF Sum of Squares Mean Square F Stat Prob > F
Model 1 3.7783 3.7783 9.9517 0.0083
Error 12 4.5560 0.3797 . .
C Total 13 8.3343 . . .
Parameter Estimates
Variable DF Estimate Std Error T Stat Prob >|T|
INTERCEPT 1 4.1082 0.6088 6.7479 0.0001
SALES 1 0.0149 0.0047 3.1546 0.0083