Frequency polygon
| Scores | Mid Point | Frequency |
| 50-55 | 52.5 | 0 |
| ______ _______ ____ ________ ___ ______ ________ _____ ___ _________. |
Frequency polygon
| Scores | Mid Point | Frequency |
| 50-55 | 52.5 | 0 |
| ______ _______ ____ ________ ___ ______ ________ _____ ___ _________. |