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

Table 3

The crisp ratings for the relationships between PAs and SAs.

	SA1	SA2	SA3	SA4	SA5	SA6	SA7
PA1	5, 3, 3, 7, 5	7, 5, 5, 7, 7	5, 7, 5, 7, 5	0, 0, 0, 0, 0	0, 0, 0, 0, 0	1, 3, 1, 3, 1	3, 1, 3, 3, 1
PA2	1, 3, 1, 5, 3	5, 5, 5, 7, 5	9, 7, 9, 9, 7	3, 3, 1, 3, 3	9, 5, 7, 7, 5	0, 0, 0, 0, 0	0, 0, 0, 0, 0
PA3	5, 7, 5, 5, 7	7, 7, 7, 7, 5	7, 5, 7, 9, 7	0, 0, 0, 0, 0	0, 0, 0, 0, 0	0, 0, 0, 0, 0	5, 3, 5, 7, 3
PA4	3, 3, 3, 5, 3	5, 3, 5, 3, 5	5, 7, 5, 5, 7	3, 1, 3, 5, 3	7, 5, 5, 3, 5	7, 7, 5, 5, 7	5, 5, 7, 9, 7
PA5	5, 3, 5, 5, 7	7, 5, 7, 7, 7	9, 9, 9, 7, 9	5, 3, 3, 3, 3	9, 7, 5, 9, 7	5, 3, 5, 5, 3	5, 7, 5, 7, 7
PA6	5, 3, 1, 3, 5	3, 3, 5, 5, 5	7, 5, 5, 5, 3	0, 0, 0, 0, 0	0, 0, 0, 0, 0	0, 0, 0, 0, 0	3, 3, 7, 5, 5
PA7	1, 5, 1, 3, 3	5, 3, 5, 5, 3	5, 5, 7, 3, 5	0, 0, 0, 0, 0	0, 0, 0, 0, 0	5, 7, 5, 7, 5	5, 7, 5, 7, 3