| Frequency Table (Histogram) | |||||
| Bins | Midpoint | Abs. Frequency | Rel. Frequency | Cumul. Rel. Freq. | Density |
| [6.8,7[ | 6.9 | 21 | 0.3 | 0.3 | 1.5 |
| [7,7.2[ | 7.1 | 13 | 0.185714 | 0.485714 | 0.928571 |
| [7.2,7.4[ | 7.3 | 9 | 0.128571 | 0.614286 | 0.642857 |
| [7.4,7.6[ | 7.5 | 1 | 0.014286 | 0.628571 | 0.071429 |
| [7.6,7.8[ | 7.7 | 1 | 0.014286 | 0.642857 | 0.071429 |
| [7.8,8[ | 7.9 | 6 | 0.085714 | 0.728571 | 0.428571 |
| [8,8.2] | 8.1 | 19 | 0.271429 | 1 | 1.357143 |
