| Frequency Table (Histogram) |
| Bins | Midpoint | Abs. Frequency | Rel. Frequency | Cumul. Rel. Freq. | Density |
| [-26,-24[ | -25 | 1 | 0.013889 | 0.013889 | 0.006944 |
| [-24,-22[ | -23 | 3 | 0.041667 | 0.055556 | 0.020833 |
| [-22,-20[ | -21 | 0 | 0 | 0.055556 | 0 |
| [-20,-18[ | -19 | 3 | 0.041667 | 0.097222 | 0.020833 |
| [-18,-16[ | -17 | 3 | 0.041667 | 0.138889 | 0.020833 |
| [-16,-14[ | -15 | 5 | 0.069444 | 0.208333 | 0.034722 |
| [-14,-12[ | -13 | 6 | 0.083333 | 0.291667 | 0.041667 |
| [-12,-10[ | -11 | 8 | 0.111111 | 0.402778 | 0.055556 |
| [-10,-8[ | -9 | 9 | 0.125 | 0.527778 | 0.0625 |
| [-8,-6[ | -7 | 7 | 0.097222 | 0.625 | 0.048611 |
| [-6,-4[ | -5 | 9 | 0.125 | 0.75 | 0.0625 |
| [-4,-2[ | -3 | 10 | 0.138889 | 0.888889 | 0.069444 |
| [-2,0[ | -1 | 5 | 0.069444 | 0.958333 | 0.034722 |
| [0,2] | 1 | 3 | 0.041667 | 1 | 0.020833 |
