Table 3.

Analysis of variance of experimental regression equation.

Source	Sum of Squares	DF	Mean Square	F Value	p-Value Prob > F	Significant
Model	331.17	9	36.80	57.94	<0.0001	**
A	25.59	1	25.59	40.30	0.0004	**
B	4.51 × 10−5	1	4.51 × 10−5	7.11 × 10−5	0.9935
C	0.12	1	0.12	0.18	0.6830
AB	0.49	1	0.49	0.77	0.4089
AC	4.63	1	4.63	7.29	0.0307	*
BC	3.21	1	3.21	5.06	0.0593
A2	182.79	1	182.79	287.80	<0.0001	**
B2	45.89	1	45.89	72.25	<0.0001	**
C2	41.94	1	41.94	66.03	<0.0001	**
Residual	4.45	7	0.64
Lack of Fit	3.56	3	1.19	5.34	0.0697
Pare Error	0.89	4	0.22
Cor Total	335.62	16
Std. Dev	0.80	R2	0.9868
Mean	35.78	Adj R2	0.9697
C.V. %	2.23	Pred R2	0.8263
PRESS	58.31	Adeq precision	20.825

* Significant at p < 0.05, ** Significant at p < 0.01.