| Frequency Table (Histogram) | |||||
| Bins | Midpoint | Abs. Frequency | Rel. Frequency | Cumul. Rel. Freq. | Density |
| [6.8,7[ | 6.9 | 21 | 0.291667 | 0.291667 | 1.458333 |
| [7,7.2[ | 7.1 | 13 | 0.180556 | 0.472222 | 0.902778 |
| [7.2,7.4[ | 7.3 | 9 | 0.125 | 0.597222 | 0.625 |
| [7.4,7.6[ | 7.5 | 1 | 0.013889 | 0.611111 | 0.069444 |
| [7.6,7.8[ | 7.7 | 1 | 0.013889 | 0.625 | 0.069444 |
| [7.8,8[ | 7.9 | 6 | 0.083333 | 0.708333 | 0.416667 |
| [8,8.2] | 8.1 | 21 | 0.291667 | 1 | 1.458333 |
