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प्रश्न
A study of the yield of 150 tomato plants, resulted in the record:
| Tomatoes per Plant | 1 - 5 | 6 - 10 | 11 - 15 | 16 - 20 | 21 - 25 |
| Number of Plants | 20 | 50 | 46 | 22 | 12 |
What is the frequency of the class preceding the modal class?
बेरीज
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उत्तर
| Tomatoes per Plant | Mid-Point (x) | Number of Plants (f) | fx |
| 1 - 5 | 3 | 20 | 60 |
| 6 - 10 | 8 | 50 | 400 |
| 11 - 15 | 13 | 46 | 598 |
| 16 - 20 | 18 | 22 | 396 |
| 21 - 25 | 23 | 12 | 276 |
| Total | 150 | 1730 |
The frequency of the class preceding the modal class is 20.
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