The sum of the lower limit and upper limit of the modal class from the given distribution table.
The sum of the lower limit and upper limit of the modal class from the given distribution table.
| Class | 10-20 | 20-30 | 30-40 | 40-50 | 50-60 | 60-70 |
| Frequency | 2 | 8 | 17 | 11 | 9 | 8 |
A) 90
B) 110
C) 70
D) 50
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Correct option is: C) 70
Since, highest frequency is 17 which is of the class 30-40.
\(\therefore\) Class 30-40 is the modal class of the data
Lower limit of the modal class = 30
Upper limit of the modal class = 40
\(\therefore\) Sum = 30 + 40 = 70
Hence, the sum of lower limit and upper limit of the modal class is 70.
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