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

Table 2

The crisp ratings for the relationships between CNs and PAs.

	PA1	PA2	PA3	PA4	PA5	PA6	PA7
CN1	7, 3, 7, 5, 5	1, 1, 1, 1, 1	5, 7, 7, 5, 7	9, 7, 9, 9, 9	5, 5, 5, 3, 5	3, 1, 1, 3, 1	1, 1, 3, 1, 1
CN2	9, 9, 7, 9, 7	0, 0, 0, 0, 0	5, 1, 3, 3, 3	7, 9, 7, 7, 9	3, 1, 1, 1, 1	0, 0, 0, 0, 0	3, 1, 1, 3, 1
CN3	3, 1, 3, 3, 5	0, 0, 0, 0, 0	3, 3, 1, 5, 1	7, 5, 7, 9, 5	5, 3, 5, 7, 5	9, 9, 9, 9, 9	1, 1, 1, 3, 1
CN4	5, 5, 5, 5, 3	0, 0, 0, 0, 0	3, 1, 5, 3, 5	5, 3, 7, 7, 7	5, 3, 3, 3, 3	1, 3, 1, 3, 1	1, 3, 1, 1, 1
CN5	0, 0, 0, 0, 0	5, 3, 5, 5, 3	0, 0, 0, 0, 0	0, 0, 0, 0, 0	7, 5, 5, 5, 3	0, 0, 0, 0, 0	0, 0, 0, 0, 0
CN6	7, 5, 5, 3, 5	0, 0, 0, 0, 0	0, 0, 0, 0, 0	3, 5, 3, 7, 5	3, 3, 3, 1, 1	5, 1, 3, 5, 3	3, 1, 3, 3, 1