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Question
If the class marks of a frequency distribution are 19.5,26.5,33.5,40.5,47.5,54.5,61.5 then find the size of the class and the classes.
If the class marks of a frequency distribution are 19.5,26.5,33.5,40.5,47.5,54.5,61.5 then find the size of the class and the classes.
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Solution
The correct option is C None of these
If the class marks of a frequency distribution are 19.5,26.5,33.5,40.5,47.5,54.5,61.5 then the class size is 26.5−19.5=7.
Classes are 16−23,23−30,30−37,37−44,44−51,51−58,58−65.
If the class marks of a frequency distribution are 19.5,26.5,33.5,40.5,47.5,54.5,61.5 then the class size is 26.5−19.5=7.
Classes are 16−23,23−30,30−37,37−44,44−51,51−58,58−65.
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