Table 3.

Model summary statistics of the quadratic response surface model

Response factor	Model				Lack of fit
	F value	Prob > F	R2	Adequate precision	F value	Prob > F
Y1	14.87	0.0013	0.9139	10.06	1.10	0.4463
Y2	14.43	0.0014	0.9116	9.59	3.58	0.1250