An Uncertain QFD Approach for the Strategic Management of Logistics Services

Table 4

The importance of SRs denoted by uncertain variables (converted from Table 3).

Customers (weight)∖SRs	SR1	SR2	SR3	SR4
(0.35)	(0.7, 1)	(0.7, 1)	(0.5, 0.7)	(0.5, 0.7)
(0.30)	(0.7, 1)	(0.7, 1)	(0.5, 0.7)	(0.3, 0.5)
(0.25)	(0.7, 1)	(0.5, 0.7)	(0.5, 0.7)	(0.3, 0.5)
(0.10)	(0.5, 0.7)	(0.5, 0.7)	(0.7, 1)	(0.3, 0.5)
Weighted relative importance	(0.68, 0.97)	(0.63, 0.895)	(0.52, 0.73)	(0.37, 0.57)