Table 2.

ANOVA table for the regression and lack of fit. The degrees of freedom (DF), F-ratio, and p-value (Prob.) for F-ratio ≥ F-ratio critical are reported.

Origin	DF	Sum of Squares	Mean Squares	F-Ratio
Regression	6	253.357	42.226	26.735
Residues (E)	26	41.066	1.579	Prob
Total	32	294.423		<0.0001
Lack of Fit	18	36.421	2.023	36.421
Pooled Error	8	5.006	6.626	Prob
Residues	26	41.427		0.045