[Retracted] Optimization of Reinforced Aluminium Scraps from the Automobile Bumpers with Nickel and Magnesium Oxide in Stir Casting

Table 3

Tensile strength response table.

Level	Response for SN ratio			Response for means
	(MPa)	t (s)	N (rpm)	(MPa)	t (s)	N (rpm)
1	42.54	41.66	43.56	134.0	121.2	151.7
2	42.77	42.84	42.81	139.2	139.2	139.2
3	43.09	43.90	42.03	144.4	157.2	126.7
Delta	0.55	2.24	1.54	10.4	36.0	25.0
Rank	3	1	2	3	1	2