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प्रश्न
- Use the information given in the adjoining histogram to construct a frequency table.
- Use this table to construct an ogive.
आलेख
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उत्तर
a.
| Class Interval | Frequency | c.f. |
| 8 – 12 | 9 | 9 |
| 12 – 16 | 16 | 25 |
| 16 – 20 | 22 | 47 |
| 20 – 24 | 18 | 65 |
| 24 – 28 | 12 | 77 |
| 28 – 32 | 4 | 81 |
b. Now plot the points (12, 9), (16, 25), (20, 47), (24, 65), (28, 77), (32, 81) and join them to obtain an ogive.
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