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प्रश्न
Construct a cumulative frequency table from the following frequency distribution.
| Daily wages (in ₹) | 50 - 60 | 60 - 70 | 70 - 80 | 80 - 90 | 90 - 100 |
| Numbers of workers | 12 | 15 | 23 | 8 | 2 |
बेरीज
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उत्तर
| Daily wages (in ₹) |
Numbers of workers (Frequency) |
Cumulative frequency |
| 50 - 60 | 12 | 12 |
| 60 - 70 | 15 | 12 + 15 = 27 |
| 70 - 80 | 23 | 27 + 23 = 50 |
| 80 - 90 | 8 | 50 + 8 = 58 |
| 90 - 100 | 2 | 58 + 2 = 60 |
| N = 60 |
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