Table 4.

ANOVA.

Response	Source	Sum of Squares	Df	Mean Square	F-Value	p-Value > F	Significance
Compressive strength (MPa)	Model	3724.12	9	413.79	90.06	<0.0001	Yes
	A-FA	10.73	1	10.73	2.34	0.1574	No
	B-CR	3296.4	1	3296.4	717.46	<0.0001	Yes
	C-NS	153.98	1	153.98	33.51	0.0002	Yes
	AB	0.088	1	0.088	0.019	0.8926	No
	AC	4.26	1	4.26	0.93	0.3581	No
	BC	30.73	1	30.73	6.69	0.0271	Yes
	A2	13.88	1	13.88	3.02	0.1129	No
	B2	80.89	1	80.89	17.61	0.0018	Yes
	C2	33.95	1	33.95	7.39	0.0216	Yes
	Residual	4.02	10	0.4
	Lack of Fit	45.35	5	9.07	75.65	0.0001	Yes
	Pure Error	0.6	5	0.12
	Cor Total	3770.06	19
Flexural strength (MPa)	Model	27.58	9	3.06	7.63	0.0019	Yes
	A-FA	0.66	1	0.66	1.64	0.2287	No
	B-CR	14.29	1	14.29	35.55	0.0001	Yes
	C-NS	0.11	1	0.11	0.28	0.6066	No
	AB	3.64	1	3.64	9.07	0.0131	Yes
	AC	0.39	1	0.39	0.96	0.3503	No
	BC	7.7	1	7.7	19.16	0.0014	Yes
	A2	0.37	1	0.37	0.92	0.3603	No
	B2	0.048	1	0.048	0.12	0.7361	No
	C2	0.67	1	0.67	1.67	0.2254	No
	Residual	4.02	10	0.4
	Lack of Fit	3.91	5	0.78	36.09	0.0006	Yes
	Pure Error	0.11	5	0.022
	Cor Total	31.6	19
Tensile strength (MPa)	Model	6.47	9	0.72	25.79	<0.0001	Yes
	A-FA	0.13	1	0.13	4.66	0.0562	No
	B-CR	4.19	1	4.19	150.24	<0.0001	Yes
	C-NS	0.2	1	0.2	7.21	0.0229	Yes
	AB	0.18	1	0.18	6.31	0.0308	Yes
	AC	0.56	1	0.56	19.92	0.0012	Yes
	BC	0.2	1	0.2	7.12	0.0236	Yes
	A2	0.32	1	0.32	11.31	0.0072	Yes
	B2	0.065	1	0.065	2.32	0.1588	No
	C2	1.09 × 10−4	1	1.09 × 10−4	3.92 × 10−3	0.9513	No
	Residual	0.28	10	0.028
	Lack of Fit	0.21	5	0.042	3.04	0.124	No
	Pure Error	0.069	5	0.014
	Cor Total	6.75	19