Table 2. Analysis of variance (ANOVA) of the variable parameters and their interactions on the mechanical and physical properties

Source	MOR		MOE		IS		WA 4 HRS		WA 48 HRS		TS 4 HRS		TS 48 HRS
	F	P	F	P	F	P	F	P	F	P	F	P	F	P
X	1 1,785.6 ± 245.3	0.0000**	77,276.3 ± 1,587.2	0.0000**	112,726.7 ± 2,675.1	0.0000**	76,725.6 ± 1,798.4	0.0000**	12,8462.4 ± 2,865.9	0.0000**	108,724.7 ± 2,489.7	0.0000**	27,474.7 ± 679.5	0.0000**
Y	3,015.7 ± 112.6	0.0000”	8,375.3 ± 305.4	0.0000**	4,176.5 ± 175.3	0.0000**	1,4324.6 ± 528.7	0.0000**	2,3864.5 ± 881.6	0.0000**	2,684.6 ± 134.2	0.0000**	2,783.2 ± 148.9	0.0000**
Z	1,054.6 ± 58.3	0.0000**	2,645.7 ± 174.8	0.0000**	3,234.8 ± 142.5	0.0000**	4,352.5 ± 198.2	0.0000**	6,236.8 ± 284.6	0.0000**	671.6 ± 32.4	0.0000**	384.5 ± 21.7	0.0000**
X × Y	55.2 ± 3.7	0.0000**	10.37 ± 0.86	0.0000**	812.3 ± 42.8	0.0000**	765.2 ± 38.9	0.0000**	38.4 ± 2.1	0.0000**	21.3 ± 1.3	0.0000**	61.5 ± 3.2	0.0000**
X × Z	19.6 ± 1.5	0.0000”	5.42 ± 0.47	0.0260*	65.7 ± 4.2	0.0000**	32.4 ± 2.8	0.0000**	65.3 ± 5.1	0.0000**	41.2 ± 3.7	0.0000**	43.5 ± 3.8	0.0000**
Y × Z	15.7 ± 1.3	0.0000**	6.82 ± 0.56	0.0207*	31.5 ± 2.7	0.0000**	26.16 ± 2.4	0.0000**	23.7 ± 2.1	0.0000**	23.4 ± 1.8	0.0024**	37.4 ± 2.9	0.0000**
X × Y × Z	17.3 ± 1.4	0.0000**	2.73 ± 0.32	0.2801“	13.6 ± 1.2	0.0000**	0.32 ± 0.04	0.0813**	35.5 ± 3.1	0.0000**	8.4 ± 0.7	0.0023**	9.5 ± 0.8	0.0000**

Significant variance at the 5% level (p ≤ 0.05%).
Significant variance at the 1% level (p ≤ 0.01%).
MOR: modulus of rupture, MOE: modulus of elasticity, IS: impact strength, WA: water absorption, TS: thickness swelling, F: F value, X: CF content, Y: CF length, Z: WR contcnt, ns: not significant, CF: carbon fiber, WR: waste rubber.