Question

witte teh formula used to find
the median of a grouped date
and explain the terms in it.​

Answer 1

Answer:

This formula is used to find the median in a group data which is located in the median class. Median, m = L + [ (N/2 – F) / f ]C L means lower boundary of the median class N means sum of frequencies F means cumulative frequency before the median class.

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Answer 2

median = L +( N/2 - cf )

__________ × h

f

h = width or size of the class

L = lower limit of median class

N = sigma fi

f = frequency of median class

cf = cumulative frequency of the class preciding the median class