A QFD-Based Quality and Capability Design Method for Transboundary Services

Table 9

Confidence interval (CI) corresponding to the fuzzy coefficient.

CI of		i = 1	i = 2	i = 3	i = 4	i = 5	i = 6
j = 0	lb	−0.00608	3.25878	0.0000	−4.0000	−4.0000	−0.00424
	ub	0.00608	3.40502	0.0000	4.0000	4.0000	0.00424
j = 1	lb	0.4090	9.08006	21.7333	0.5828	161.4414	0.3521
	ub	0.4090	9.66534	24.9333	0.5828	161.4414	0.3521
j = 2	lb	0.2518	4.9006	0.0000	4.4202	118.3024	0.2210
	ub	0.2878	4.9006	0.0000	4.4202	118.3024	0.2410
j = 3	lb	0.2903	11.7173	0.0000	0.7669	0.0000	0.0000
	ub	0.2903	12.2690	0.0000	0.7669	0.0000	0.0000
j = 4	lb	0.1817	3.3887	4.6666	1.3006	61.2664	0.1523
	ub	0.1817	3.3997	4.6666	1.3006	61.2664	0.1523
j = 5	lb	0.0988	5.3985	4.5238	3.0279	60.3799	0.2014
	ub	0.0988	5.3985	4.5238	3.0279	60.3799	0.2014
j = 6	lb	0.0308	0.2407	0.0000	0.8908	0.0000	0.1479
	ub	0.0308	0.2407	0.0000	0.8908	0.0000	0.1479

CI: the confidence interval; lb: the lower bound of the confidence interval; ub: the upper bound of the confidence interval.