Table 2.

Linguistic variable for the rating and relative importance weights of criteria [17].

Linguistic variable for relative importance weights of criteria		Linguistic variable for rating
Linguistic variable	Fuzzy numbers	Linguistic variable	Fuzzy numbers
Very low (VL)	(0.1, 0.1, 0.3)	Very Poor (VP)	(1, 1, 3)
Low (L)	(0.1, 0.3, 0.5)	Poor (P)	(1, 3, 5)
Medium (M)	(0.3, 0.5, 0.7)	Fair (F)	(3, 5, 7)
High (H)	(0.5, 0.7, 0.9)	Good (G)	(5, 7, 9)
Very high (VH)	(0.7, 0.9, 0.9)	Very Good (VG)	(7, 9, 9)