| Frequency Table (Histogram) | |||||
| Bins | Midpoint | Abs. Frequency | Rel. Frequency | Cumul. Rel. Freq. | Density |
| [-2.6,-2.4[ | -2.5 | 3 | 0.05 | 0.05 | 0.25 |
| [-2.4,-2.2[ | -2.3 | 4 | 0.066667 | 0.116667 | 0.333333 |
| [-2.2,-2[ | -2.1 | 23 | 0.383333 | 0.5 | 1.916667 |
| [-2,-1.8[ | -1.9 | 21 | 0.35 | 0.85 | 1.75 |
| [-1.8,-1.6[ | -1.7 | 4 | 0.066667 | 0.916667 | 0.333333 |
| [-1.6,-1.4] | -1.5 | 5 | 0.083333 | 1 | 0.416667 |
