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Question

The class interval size and frequency of the modal class is

Class Frequency 0−52005−1025010−1522515−2030020−25275


A
5 , 250
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B
5, 300
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C
4, 250
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D
4, 200
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Solution

The correct option is B 5, 300

We know that,
Modal class is the class interval with the highest frequency.

So, here highest frequency is 300 and modal class is 15 - 20.
The class size is = 20 - 15 = 5.


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