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प्रश्न
The marks scored by 750 students in an examination are given in the form of a frequency distribution table:
| Marks | No. of students |
| 600 - 640 | 16 |
| 640 - 680 | 45 |
| 680 - 720 | 156 |
| 720 - 760 | 284 |
| 760 - 800 | 172 |
| 800 - 840 | 59 |
| 840 - 880 | 18 |
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उत्तर
| Marks | No. of students | Marks less then | Cumulative frequency | Suitable Points |
| 600-640 | 16 | 640 | 16 | (640,16) |
| 640-680 | 45 | 680 | 61 | (680,61) |
| 680-720 | 156 | 720 | 217 | ( 720, 217) |
| 720-760 | 284 | 470 | 501 | (760, 501) |
| 760-800 | 172 | 800 | 673 | ( 800, 673) |
| 800-840 | 59 | 840 | 732 | ( 840,732) |
| 840-880 | 18 | 880 | 750 | ( 880,750) |
Now, we draw the less than ogive with suitable points.
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