| Frequency Table (Histogram) | |||||
| Bins | Midpoint | Abs. Frequency | Rel. Frequency | Cumul. Rel. Freq. | Density |
| [140,160[ | 150 | 1 | 0.013889 | 0.013889 | 0.000694 |
| [160,180[ | 170 | 1 | 0.013889 | 0.027778 | 0.000694 |
| [180,200[ | 190 | 13 | 0.180556 | 0.208333 | 0.009028 |
| [200,220[ | 210 | 16 | 0.222222 | 0.430556 | 0.011111 |
| [220,240[ | 230 | 10 | 0.138889 | 0.569444 | 0.006944 |
| [240,260[ | 250 | 1 | 0.013889 | 0.583333 | 0.000694 |
| [260,280[ | 270 | 29 | 0.402778 | 0.986111 | 0.020139 |
| [280,300] | 290 | 1 | 0.013889 | 1 | 0.000694 |
