Source of variation

Sum of squares (SS)

Degree of freedom (d.f.)

Mean squares (MS)

F-value

Probe > F

Regression

129.2127

9

14.35696

20.62065

0.000026

Residual

6.9624

10

0.69624

 

 

Total

136.1751

19

 

 

 

R²= 0.94887155; Adjusted R²= 0.90285595

Table 4: ANOVA for the entire quadratic model