Hybrid Algorithms for Fuzzy Reverse Supply Chain Network Design

Table 3

ANOVA verification of execution time.

Hypothesize
H0: ^ET𝜇PSO=^ET𝜇GA=^ET𝜇PSO-GA=^ET𝜇GA-SA=^ET𝜇PSO-SA
H1: otherwise
Algorithm	Numbers		Sum	Average		Variance
PSO	30		372.022	12.40073		0.076341375
GA	30		6524.661	217.4887		0.165604217
PSO-GA	30		380.424	12.6808		0.076438303
GA-SA	30		2004.847	66.82823		0.187643495
PSO-SA	30		775.495	25.84983		0.192059868
Source	SS	Freedom	MS	𝐹	𝑃 value	Critical value
Intergroup	908155.7	4	227038.9	1626150.094	0.00000	2.434065
Intragroup	20.24453	145	0.139617
Sum	908176	149
Result: reject H0