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

Table 4

Tensile strength variance analysis for SN ratios.

Source	DF	Seq SS	Adj SS	Adj MS	F	value
(MPa)	2	0.4570	0.45696	0.22848	54.29	0.018
t (s)	2	7.5283	7.52829	3.76415	894.43	0.001
N (rpm)	2	3.5365	3.53650	1.76825	420.17	0.002
Residual error	2	0.0084	0.00842	0.00421
Total	8	11.5302