A Rough VIKOR-Based QFD for Prioritizing Design Attributes of Product-Related Service

Table 10

Ranking of CNs with precise, fuzzy, and rough numbers.

CN	Precise numbers		⁢Fuzzy numbers		⁢Rough numbers
		Rank		Rank		Rank
CN1	1.00	1	[0.79, 1.00]	1	[0.92, 1.00]	1
CN2	0.80	3	[0.61, 0.83]	3	[0.70, 0.85]	3
CN3	0.75	4	[0.56, 0.78]	4	[0.63, 0.83]	4
CN4	0.95	2	[0.75, 0.96]	2	[0.86, 0.97]	2
CN5	0.43	6	[0.28, 0.49]	6	[0.37, 0.47]	6
CN6	0.67	5	[0.49, 0.70]	5	[0.59, 0.70]	5