| Frequency Table (Histogram) | |||||
| Bins | Midpoint | Abs. Frequency | Rel. Frequency | Cumul. Rel. Freq. | Density |
| [6.8,7[ | 6.9 | 21 | 0.153285 | 0.153285 | 0.766423 |
| [7,7.2[ | 7.1 | 16 | 0.116788 | 0.270073 | 0.583942 |
| [7.2,7.4[ | 7.3 | 31 | 0.226277 | 0.49635 | 1.131387 |
| [7.4,7.6[ | 7.5 | 10 | 0.072993 | 0.569343 | 0.364964 |
| [7.6,7.8[ | 7.7 | 17 | 0.124088 | 0.693431 | 0.620438 |
| [7.8,8[ | 7.9 | 18 | 0.131387 | 0.824818 | 0.656934 |
| [8,8.2[ | 8.1 | 4 | 0.029197 | 0.854015 | 0.145985 |
| [8.2,8.4[ | 8.3 | 12 | 0.087591 | 0.941606 | 0.437956 |
| [8.4,8.6[ | 8.5 | 5 | 0.036496 | 0.978102 | 0.182482 |
| [8.6,8.8[ | 8.7 | 0 | 0 | 0.978102 | 0 |
| [8.8,9] | 8.9 | 3 | 0.021898 | 1 | 0.109489 |
