Math, asked by vandu91951, 3 months ago

. The frequency of the class preceding the modal class in the following frequency distribution : Marks : 20 - 30 , 30 - 40 , 40 - 50 , 50 - 60 , 60 - 70 Number of students : 4 , 28 , 42 , 20 , 6

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Answered by Anonymous

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