Hybrid Algorithms for Fuzzy Reverse Supply Chain Network Design

Table 4

ANOVA verification of convergence time.

Hypothesize
H0: ^CT𝜇PSO=^CT𝜇GA=^CT𝜇PSO-GA=^CT𝜇GA-SA=^CT𝜇PSO-SA
H1: otherwise
Algorithm	Numbers		Sum	Average		Variance
PSO	30		246.605	8.220167		0.0913266
GA	30		6375.408	212.5136		0.7256669
PSO-GA	30		171.189	5.7063		0.014925
GA-SA	30		1863.747	62.1249		0.4336888
PSO-SA	30		326.895	10.8965		0.2385541
Source	SS	Freedom	MS	𝐹	𝑃 value	Critical value
Intergroup	939149	4	234787.2	780458.96	0.00000	2.434065
Intragroup	43.62068	145	0.300832
Sum	1.23𝐸+09	89
Result: reject H0