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प्रश्न
From the cumulative frequency distribution given below, construct a frequency distribution table:
| Marks | c.f. |
| Less than 10 | 10 |
| Less than 20 | 18 |
| Less than 30 | 32 |
| Less than 40 | 45 |
| Less than 50 | 50 |
बेरीज
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उत्तर
| Class | c.f. | Frequency |
| 0 - 10 | 10 | 10 |
| 10 - 20 | 18 | 18 - 10 = 8 |
| 20 - 30 | 32 | 32 - 18 = 14 |
| 30 - 40 | 45 | 45 - 32 = 13 |
| 50 - 60 | 50 | 50 - 45 = 5 |
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