P.fuzzification | Linguistic qualifier |
0, 450, 500 | Very low (1) |
450, 680, 1000 | Low (2) |
680, 840, 1500 | Medium (3) |
1000, 1270, 2000 | High (4) |
1500, 1810, 2500 | Very high (5) |
2000, 2490, 3000 | Excellent (6) |