Performance Assessment of Hybrid Fibre-Reinforced Concrete (FRC) under Low-Speed Impact: Experimental Analysis and Optimized Mixture

Table 6

Impact strength analysis of variance (ANOVA) table.

Source	Sum of squares	df	Mean square	F-value	P value
Model	166.89	7	23.84	81.34	<0.0001	Significant
A. Basalt	22.24	1	22.24	75.87	<0.0001
B. Forta	63.54	1	63.54	216.78	<0.0001
C. Barchip	9.53	1	9.53	32.50	0.0007
AB	7.80	1	7.80	26.60	0.0013
BC	47.55	1	47.55	162.21	<0.0001
A^2	3.14	1	3.14	10.73	0.0136
B^2	13.96	1	13.96	47.62	0.0002
Residual	2.05	7	0.2931
Lack of fit	1.75	5	0.3495	2.29	0.3308	Not significant
Pure error	0.3046	2	0.1523
Cor total	168.94	14
			Std. dev	0.5414	R^2	0.9879
			Mean	15.91	Adjusted R^2	0.9757
			C.V. %	3.40	Predicted R^2	0.9181
					Adeq precision	31.6957