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Question
Write the modal class for the following frequency distribution:
| Class-interval: | 10−15 | 15−20 | 20−25 | 25−30 | 30−35 | 35−40 |
| Frequency: | 30 | 35 | 75 | 40 | 30 | 15 |
Answer in Brief
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Solution
| Class Interval | 10−15 | 15−20 | 20−25 | 25−30 | 30−35 | 35−40 |
| Frequency | 30 | 35 | 75 | 40 | 30 | 15 |
Here, the maximum frequency is 75 and the corresponding class-interval is 20−25.
Therefore, 20−25 is the modal class.
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