Table 5. Analysis of variance for dependent variables

Dependent variables	Sources	DF	SS	MS	F-value	p-value
Y	Regression
	Linear	2	1.81595	0.90798	24.45	0.003
	Square	2	1.00379	0.50189	13.51	0.010
	Interaction	1	0.36	0.36	9.69	0.026
	Residual
	Lack of fit	3	0.15905	0.05302	3.98	0.207
	Pure error	2	0.02667	0.01333
	Total	10

Y, overall acceptance (points).
DF, degrees of freedom; SS, sum of square; MS, mean square.