| Frequency Table (Histogram) | |||||
| Bins | Midpoint | Abs. Frequency | Rel. Frequency | Cumul. Rel. Freq. | Density |
| [15,20[ | 17.5 | 1 | 0.011905 | 0.011905 | 0.002381 |
| [20,25[ | 22.5 | 59 | 0.702381 | 0.714286 | 0.140476 |
| [25,30] | 27.5 | 24 | 0.285714 | 1 | 0.057143 |
| Frequency Table (Histogram) | |||||
| Bins | Midpoint | Abs. Frequency | Rel. Frequency | Cumul. Rel. Freq. | Density |
| [15,20[ | 17.5 | 1 | 0.011905 | 0.011905 | 0.002381 |
| [20,25[ | 22.5 | 59 | 0.702381 | 0.714286 | 0.140476 |
| [25,30] | 27.5 | 24 | 0.285714 | 1 | 0.057143 |