Table 3. t-test on the effect of matrix and reinforcement on MOR

Subject effects	df	t-value	Sig. (2 tailed)
Matrix	2	4.506	0.003**
SB/CF fiber	7	2.310	0.054*

Significantly relationship (p < 0.05).
Highly significantly relationship (p < 0.05).
MOR: modulus of rupture, SB: sugarcane bagasse, CF: coir fiber.