A Mathematical Approach to Supply Complexity Management Efficiency Evaluation for Supply Chain

Table 8

Result of bootstrap DEA.

DMU	Score	Bias	Mean	Median	SD	CI_Lower	CI_Upper
GS Caltex	0.4836	0.1118	0.3718	0.4292	0.1443		0.4767
Hanwha	0.1302	0.0399	0.0903	0.1151	0.0498		0.1287
Hyundai Motor	0.6500	0.1090	0.5410	0.5889	0.1474		0.6405
KEPCO	1.0000	0.2027	0.7973	0.8685	0.1967		0.9840
KIA Motor	0.4130	0.1057	0.3073	0.3600	0.1147		0.4069
KOGAS	1.0000	0.2196	0.7804	0.8290	0.1632		0.9847
LG Electronics	0.3792	0.0626	0.3166	0.3417	0.0798		0.3736
Lotte Shopping	0.1724	0.0251	0.1473	0.1531	0.0226		0.1698
POSCO	0.8536	0.2257	0.6278	0.7581	0.2586		0.8434
Samsung Electronics	1.0000	0.4584	0.5416	0.5489	0.4067		0.9857
SK Holdings	0.7011	0.1647	0.5364	0.6218	0.1742		0.6919
S-Oil	1.0000	0.6353	0.3647	0.5164	0.6412		0.9843