TABLE 7.

Shapiro Wilk normality tests.

Problem	HASCA	SCA	GA	PSO	FA	BSO	RSA	COLSHADE
Experiment 1	0.046	0.047	0.044	0.041	0.048	0.045	0.044	0.042
Experiment 2	0.029	0.035	0.030	0.027	0.031	0.033	0.036	0.029