Table 3.

Analysis of variance (ANOVA) table for the regression model developed for the responses.

Source	Sum of Squares	Degree of Freedom	Mean Square	F Value	p-Value Prob > F	Remark
Flexural Strength (1)
Block	5.74 × 1010	1	5.74 × 1010	-	-	-
Model	2.33 × 1012	10	2.33 × 1011	115.05	<0.0001	significant
A-A	5.21 × 1010	1	5.21 × 1010	25.68	<0.0001	significant
B-B	8.73 × 1010	1	8.73 × 1010	43.06	<0.0001	significant
C-C	1.63 × 1012	1	1.63 × 1012	803.47	<0.0001	significant
D-D	1.13 × 1011	1	1.13 × 1011	55.74	<0.0001	significant
E-E	8.60 × 1010	1	8.60 × 1010	42.44	<0.0001	significant
AC	3.69 × 1010	1	3.69 × 1010	18.18	<0.0001	significant
BC	1.04 × 1011	1	1.04 × 1011	51.41	<0.0001	significant
CD	1.40 × 1011	1	1.40 × 1011	69.26	<0.0001	significant
CE	3.79 × 1010	1	3.79 × 1010	18.71	<0.0001	significant
DE	4.56 × 1010	1	4.56 × 1010	22.5	<0.0001	significant
Residual	1.05 × 1011	52	2.03 × 1009	-	-	-
Cor Total	2.50 × 1012	63	-	-	-	-
Flexural Modulus (2)
Block	1.97 × 1019	1	1.97 × 1019	-	-	-
Model	4.24 × 1020	10	4.24 × 1019	47.96	<0.0001	significant
A-A	3.27 × 1018	1	3.27 × 1018	3.69	0.0602	insignificant
B-B	1.82 × 1019	1	1.82 × 1019	20.62	<0.0001	significant
C-C	2.61 × 1020	1	2.61 × 1020	294.53	<0.0001	significant
D-D	4.74 × 1018	1	4.74 × 1018	5.36	0.0246	significant
E-E	3.49 × 1019	1	3.49 × 1019	39.5	<0.0001	significant
AB	5.03 × 1018	1	5.03 × 1018	5.69	0.0207	significant
AC	2.01 × 1019	1	2.01 × 1019	22.77	<0.0001	significant
BC	4.295 × 1019	1	4.295 × 1019	48.55	<0.0001	significant
CD	2.682 × 1019	1	2.682 × 1019	30.32	<0.0001	significant
DE	7.58 × 1018	1	7.58 × 1018	8.57	0.0051	significant
Residual	4.60 × 1019	52	8.85 × 1017	-	-	-
Cor Total	4.90 × 1020	63
Flexural Strain (3)
Block	1.75 × 10−13	1	1.75 × 10−13	-	-	-
Model	7.41 × 10−6	10	7.41 × 10−7	64.51	<0.0001	significant
A-A	1.90 × 10−7	1	1.90 × 10−7	16.51	0.0002	significant
B-B	2.68 × 10−7	1	2.68 × 10−7	23.33	<0.0001	significant
C-C	4.79 × 10−6	1	4.79 × 10−6	417.29	<0.0001	significant
D-D	6.039 × 10−7	1	6.039 × 10−7	52.56	<0.0001	significant
E-E	2.278 × 10−7	1	2.278 × 10−7	19.83	<0.0001	significant
AB	7.14 × 10−8	1	7.14 × 10−8	6.22	0.0159	significant
BC	1.097 × 10−7	1	1.097 × 10−7	9.55	0.0032	significant
CD	5.821 × 10−7	1	5.821 × 10−7	50.67	<0.0001	significant
C E	3.23 × 10−7	1	3.23 × 10−7	28.08	<0.0001	significant
DE	2.42 × 10−7	1	2.42 × 10−7	21.07	<0.0001	significant
Residual	5.97 × 10−7	52	1.15 × 10−8	-	-	-
Cor Total	8.01 × 10−6	63	-	-	-	-
(1) R2 = 0.9568, Adjusted R2 = 0.9484, Predicted R2 = 0.9345, Adequate Precision = 34.576
(2) R2 = 0.9022, Adjusted R2 = 0.8834, Predicted R2 = 0.8518, Adequate Precision = 24.531
(3) R2 = 0.9254, Adjusted R2 = 0.9111, Predicted R2 = 0.8870, Adequate Precision = 24.099