Table 3.

The Quantitative Factor effects and associated p Value for each response

Parameter	Particle Size (Y1)		ZP (Y2)		% EE (Y3)
	Coefficient	p value	Coefficient	p value	Coefficient	p value
Intercept	223.17	0.000	−18.10	<0.0001	88.8	<0.0001
X1	75.595	<0.220	1.695	0.021	−3.05	0.050
X12	19.611	0.081	0.038	0.952	−1.335	0.380
X2	1.962	0.840	0.610	0.344	0.655	0.652
X22	9.815	0.347	1.973	0.015	−1.666	0.283
X3	24.330	0.041	−0.508	0.442	0.352	0.819
X32	−3.878	0.695	−1.367	0.059	0.401	0.785
X1X2	−4.54	0.780	−0.497	0.635	8.235	0.009
X1X3	58.31	0.008	2.948	0.022	0.357	0.886
X2X3	2.541	0.867	−0.200	0.836	−1.832	0.424
R2	0.9374		0.9682		0.8254
R2(Adj.)	0.8571		0.9022		0.9120

Bold Entries implies that a particular main effects, interaction and quadratic effects were significantly affecting the responses