| Frequency Table (Histogram) | |||||
| Bins | Midpoint | Abs. Frequency | Rel. Frequency | Cumul. Rel. Freq. | Density |
| [6.8,7[ | 6.9 | 21 | 0.25 | 0.25 | 1.25 |
| [7,7.2[ | 7.1 | 7 | 0.083333 | 0.333333 | 0.416667 |
| [7.2,7.4[ | 7.3 | 6 | 0.071429 | 0.404762 | 0.357143 |
| [7.4,7.6[ | 7.5 | 5 | 0.059524 | 0.464286 | 0.297619 |
| [7.6,7.8[ | 7.7 | 12 | 0.142857 | 0.607143 | 0.714286 |
| [7.8,8[ | 7.9 | 11 | 0.130952 | 0.738095 | 0.654762 |
| [8,8.2[ | 8.1 | 3 | 0.035714 | 0.77381 | 0.178571 |
| [8.2,8.4] | 8.3 | 19 | 0.22619 | 1 | 1.130952 |
