| N˚ Exp | Yexp. | Ycalc. | Relative deviation |
| 1 | 7.370 | 7.406 | −0.036 |
| 2 | 7.260 | 7.293 | −0.033 |
| 3 | 7.170 | 7.170 | 0.000 |
| 4 | 7.010 | 7.007 | 0.003 |
| 5 | 7.340 | 7.321 | 0.019 |
| 6 | 7.140 | 7.126 | 0.014 |
| 7 | 7.440 | 7.398 | 0.042 |
| 8 | 7.020 | 7.029 | −0.009 |
| 9 | 7.080 | 7.082 | −0.002 |
| 10 | 7.070 | 7.082 | −0.012 |
| 11 | 7.070 | 7.082 | −0.012 |
| 12 | 7.100 | 7.082 | 0.018 |
| 13 | 7.090 | 7.082 | 0.008 |