Table 10.

p-values of the Wilcoxon ranksum test on large-scale knapsack problems.

f	AMDA and IAMDA		BDA and IAMDA		BPSO and IAMDA
	t	Sig.	t	Sig.	t	Sig.
k 6	0.0709	N.S.	0.0937	IAMDA	6.7956e-08	IAMDA
k 7	0.2085	N.S.	0.0066	IAMDA	6.7956e-08	IAMDA
k 8	0.3793	N.S.	4.5390e-07	IAMDA	6.7956e-08	IAMDA
k 9	0.2393	N.S.	5.8736e-07	IAMDA	6.7956e-08	IAMDA
k 10	0.0409	IAMDA	3.4156e-07	IAMDA	6.7956e-08	IAMDA
k 11	0.0155	IAMDA	2.6898e-06	IAMDA	6.7956e-08	IAMDA
k 12	0.1636	N.S.	1.2346e-07	IAMDA	6.7956e-08	IAMDA