Table 7.
Scale of grey numbers for supplier evaluations.
| Linguistic variables | Scale of grey number |
|---|---|
| Very Poor (VP) | (1.5,3.0) |
| Poor (P) | (3.0,4.5) |
| Medium (M) | (4.5,6.0) |
| Good (G) | (6.0,7.5) |
| Very Good (VG) | (7.5,9.0) |
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