Q. 20

Compute the mode

Answer :

Here, the maximum class frequency is 28.

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) = 28


Frequency of class preceding the modal class (f0) = 16


Frequency of class succeeding the modal (f2) = 20


Mode is given by,





Mode = 40 + 12 = 56


Hence, the mode is 56.

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