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प्रश्न
Prepare a cumulative frequency distribution table of the marks scored by 60 students in a test are given below:
| Marks | No. of students |
| 0 - 10 | 4 |
| 10 20 | 15 |
| 20 - 30 | 21 |
| 30 - 40 | 12 |
| 40 50 | 8 |
योग
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उत्तर
| Marks | No. of students | Cum. frequency |
| 0 - 10 | 4 | 4 |
| 10 - 20 | 15 | 19 |
| 20 - 30 | 21 | 40 |
| 30 - 40 | 12 | 52 |
| 40 - 50 | 8 | 60 |
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