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प्रश्न
The number of casualties due to accidents were recorded in a hospital as follows:
| Age (in years) | 5 - 15 | 15 - 25 | 25 - 35 | 35 - 45 | 45 - 55 | 55 - 65 | 65 - 75 |
| No. of casualties | 6 | 10 | 15 | 13 | 20 | 8 | 7 |
Draw a frequency polygon on the graph.
आलेख
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उत्तर
| Age (in years) | 5 - 15 | 15 - 25 | 25 - 35 | 35 - 45 | 45 - 55 | 55 - 65 | 65 - 75 |
| Mid-value | 10 | 20 | 30 | 40 | 50 | 60 | 70 |
| No. of casualties | 6 | 10 | 15 | 13 | 20 | 8 | 7 |
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