| Frequency Table (Histogram) | |||||
| Bins | Midpoint | Abs. Frequency | Rel. Frequency | Cumul. Rel. Freq. | Density |
| [-4,-3[ | -3.5 | 1 | 0.05 | 0.05 | 0.05 |
| [-3,-2[ | -2.5 | 2 | 0.1 | 0.15 | 0.1 |
| [-2,-1[ | -1.5 | 4 | 0.2 | 0.35 | 0.2 |
| [-1,0[ | -0.5 | 1 | 0.05 | 0.4 | 0.05 |
| [0,1[ | 0.5 | 6 | 0.3 | 0.7 | 0.3 |
| [1,2[ | 1.5 | 2 | 0.1 | 0.8 | 0.1 |
| [2,3[ | 2.5 | 3 | 0.15 | 0.95 | 0.15 |
| [3,4] | 3.5 | 1 | 0.05 | 1 | 0.05 |
