[Retracted] Multiobjective Optimization of Mechanical Properties on Sisal-Glass Fiber-Reinforced Hybrid Composites Using Response Surface Methodology and LINGO Analysis

Table 2

Experiment design matrix for the fabrication of specimen.

Description	Exp. 1	Exp. 2	Exp. 3	Exp. 4	Exp. 5	Exp. 6	Exp. 7	Exp. 8	Exp. 9
Std. order	4	9	7	5	6	1	8	2	3
Run order	1	2	3	4	5	6	7	8	9
Vol.% of sisal X1	−1	0	0	+1	−1	−1	+1	0	+1
Vol.% of epoxy resin X2	0	0	+1	0	+1	−1	+1	−1	−1