Some Interval 2-Tuple Linguistic Harmonic Mean Operators and Their Application in Material Selection

Table 1

Linguistic assessments of the five alternatives.

Decision-makers	Alternatives	Attributes
		DM1	A1	G	G-VG	VG	G
A2	M-G		M	G	M
A3	M		M	P-M	P
A4	G		G-VG	M	G
A5	M		M-G	G	G
DM2	A1	VG	VG	G	VG
	A2	MP	M	P	M
	A3	MP	MG	M	MP
	A4	G	G	G	MG-G
	A5	M-G	M	MP-M	MG
DM3	A1	EG	VG	VG-EG	VG
	A2	M-MG	M-G	G	G
	A3	P	MP	P	P-MP
	A4	VG	VG	G-VG	G-VG
	A5	M	M	G-VG	G
DM4	A1	VG	VG	G-VG	VG
	A2	M-G	M	G	G
	A3	P-M	M	P	P-M
	A4	G	VG	G	G-VG
	A5	M-G	M	G	G