Answer :

Here, the maximum class frequency is 18.

The class corresponding to this frequency is the modal class. modal class = 40 - 60


lower limit of the modal class (l) = 40


Modal class size (h) = 20


Frequency of the modal class (f1) = 18


Frequency of class preceding the modal class (f0) = 6


Frequency of class succeeding the modal (f2) = 10


Mode is given by,





Mode = 40 + 12 = 52


Hence, the mode is 52.


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