The Extension of Quality Function Deployment Based on 2-Tuple Linguistic Representation Model for Product Design under Multigranularity Linguistic Environment

Table 14

The collective overall correlation among ECs.

	EC1	EC2	EC3	EC4	EC5
EC1	(DH, 0.00)	(VL, 0.33)	(H, −0.33)	(DL, 0.33)	(VH, 0.33)
EC2		(DH, 0.00)	(VL, 0.00)	(VL, 0.33)	(L, 0.00)
EC3			(DH, 0.00)	(L, 0.00)	(H, 0.00)
EC4				(DH, 0.00)	(M, 0.33)
EC5					(DH, 0.00)