Table 2.

The interval attribute values in the decision matrix [22].

	C 1	C 2	C 3	C 4
S 1	[5, 7]	[4, 6]	[4, 6]	[0.4, 0.8]
S 2	[10, 12]	[6, 8]	[5, 7]	[1, 2]
S 3	[5, 6]	[4, 6]	[3, 5]	[0.4, 0.8]
S 4	[9, 11]	[5, 7]	[5, 7]	[1, 1.5]
S 5	[6, 8]	[3, 4]	[3, 4]	[0.5, 1]