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प्रश्न
Construct a cumulative frequency distribution table for the following:
| Marks | 0 - 10 | 10 - 20 | 20 - 30 | 30 - 40 | 40 - 50 | 50 - 60 | 60 - 70 |
| No. of students | 8 | 12 | 16 | 24 | 36 | 15 |
9 |
बेरीज
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उत्तर
| Marks | No. of students (Frequency) |
Cumulative Frequency |
| 0 - 10 | 8 | 8 |
| 10 - 20 | 12 | 8 + 12 = 20 |
| 20 - 30 | 16 | 20 + 16 = 36 |
| 30 - 40 | 24 | 36 + 24 = 60 |
| 40 - 50 | 36 | 60 + 36 = 96 |
| 50 - 60 | 15 | 96 + 15 = 111 |
| 60 - 70 | 9 | 111 + 9 = 120 |
| N = 120 |
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