Linguistic variables and fuzzy numbers for ratings
| Linguistic variables | Fuzzy numbers |
|---|---|
| Very poor | (0, 0, 0, 20) |
| Between very poor and poor | (0, 0, 20, 40) |
| Poor | (0, 20, 20, 40) |
| Between poor and fair | (0, 20, 50, 70) |
| Fair | (30, 50, 50, 70) |
| Between fair and good | (30, 50, 80, 100) |
| Good | (60, 80, 80, 100) |
| Between good and very good | (60, 80, 100, 100) |
| Very good | (80, 100, 100, 100) |
| Linguistic variables | Fuzzy numbers |
|---|---|
| Very poor | (0, 0, 0, 20) |
| Between very poor and poor | (0, 0, 20, 40) |
| Poor | (0, 20, 20, 40) |
| Between poor and fair | (0, 20, 50, 70) |
| Fair | (30, 50, 50, 70) |
| Between fair and good | (30, 50, 80, 100) |
| Good | (60, 80, 80, 100) |
| Between good and very good | (60, 80, 100, 100) |
| Very good | (80, 100, 100, 100) |
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