Table 13. ANOVA Result for OQS.

factors	degree of freedom	sum of squares	variance	F-test	contribution (%)	rank
IP	2	0.091	0.046	1.722	11.954	3
IT	2	0.014	0.007	0.258	1.789	5
PL	2	0.011	0.005	0.200	1.388	6
MT	2	0.132	0.066	2.488	17.278	1
HP	2	0.029	0.014	0.544	3.774	4
IS	2	0.116	0.058	2.191	15.213	2
error	14	0.372	0.027		48.604
sum	26	0.765