Table 6. Analysis of variance of the quadratic model.

The table shows the outcome of ANOVA for the quadratic model. DF -Degrees of Freedom, Seq SS- sequential sum of squares and Adj Ms-Adjusted Mean square.

Source	DF	Seq SS	Adj MS	F value	P-value
Linear	5	16002.5	3200.45	85.49	0.000
Square	5	2381.5	476.29	12.72	0.000
Interaction	10	2344.1	234.41	6.26	0.000
Residual error	33	1235.4	37.44	-	-
Lack of fit	22	798.4	36.29	0.91	0.591
Pure error	11	437.1	39.73	-	-
Total	53	21963.3

Table 6 shows the outcome of ANOVA for the quadriatic model. DF -Degrees of Freedom, Seq SS- sequential sum of squares and Adj Ms-Adjusted Mean square.