Table 3.

Analysis of Variance (ANOVA) Results of Microcapsule size and Sphericity.

	Sum of Squares		df	Mean Square		F-Value		p-Value
	MS a	Sph. b		MS	Sph.	MS	Sph.	MS	Sph.
Model	1.113 × 106	0.2683	14	79,477.68	0.0192	84.46	33.13	<0.0001	<0.0001
Y1: Concentration	40,016.67	0.0022	1	40,016.67	0.0022	42.52	3.81	<0.0001	0.0698
Y2:Flow rate	14,113.50	0.0015	1	14,113.50	0.0015	15.00	2.60	0.0015	0.1276
Y3: Voltage	6.364 × 105	0.1134	1	6.364 × 105	0.1134	676.22	196.15	<0.0001	<0.0001
Y4: TTC distance	748.17	0.0018	1	748.17	0.0018	0.7950	3.18	0.3867	0.0949
Y1Y2	12.25	0.0116	1	12.25	0.0116	0.0130	19.98	0.9107	0.0004
Y1Y3	1.099 × 105	0.0001	1	1.099 × 105	0.0001	116.78	0.0973	<0.0001	0.7594
Y1Y4	1156.00	0.0001	1	1156.00	0.0001	1.23	0.0973	0.2852	0.7594
Y2Y3	28,561.00	0.0333	1	28,561.00	0.0333	30.35	57.59	<0.0001	<0.0001
Y2Y4	702.25	0.0039	1	702.25	0.0039	0.7462	6.75	0.4013	0.0201
Y3Y4	3782.25	0.0014	1	3782.25	0.0014	4.02	2.43	0.0634	0.1398
${\mathrm{Y}}_1^2$	6768.05	0.0846	1	6768.05	0.0846	7.19	146.20	0.0171	<0.0001
${\mathrm{Y}}_2^2$	71,225.19	0.0047	1	71,225.19	0.0047	75.69	8.04	<0.0001	0.0125
${\mathrm{Y}}_3^2$	2.116 × 105	0.0256	1	2.116 × 105	0.0256	224.86	44.18	<0.0001	<0.0001
${\mathrm{Y}}_4^2$	3895.05	0.0030	1	3895.05	0.0030	4.14	5.25	0.0600	0.0368
Residual	14,115.67	0.0087	15	941.04	0.0006
Lack of Fit	10,996.33	0.0061	10	1099.63	0.0006	1.76	1.17	0.2761	0.4583
Pure Error	3119.33	0.0026	5	623.87	0.0005
Cor Total	1.127 × 106	0.2769	29
Std. Dev.	30.68	0.0240
Mean	513.40	0.7123
C.V. %	5.98	3.38

^a Microcapsule size. ^b Sphericity.