| Frequency Table (Histogram) | |||||
| Bins | Midpoint | Abs. Frequency | Rel. Frequency | Cumul. Rel. Freq. | Density |
| [-6,-4[ | -5 | 3 | 0.041096 | 0.041096 | 0.020548 |
| [-4,-2[ | -3 | 3 | 0.041096 | 0.082192 | 0.020548 |
| [-2,0[ | -1 | 10 | 0.136986 | 0.219178 | 0.068493 |
| [0,2[ | 1 | 10 | 0.136986 | 0.356164 | 0.068493 |
| [2,4[ | 3 | 13 | 0.178082 | 0.534247 | 0.089041 |
| [4,6[ | 5 | 20 | 0.273973 | 0.808219 | 0.136986 |
| [6,8] | 7 | 14 | 0.191781 | 1 | 0.09589 |
