Question

Write the formula to find the median of a grouped data and explain the alphabet in it.

Answer 1

For grouped data-

$\text{Median}=l+\frac{\frac{N}{2}-f_0}{f_1}\times h$

Whereas

$l=$ Lower limit of edian class

$N=$ Total frequency

$f_0=$ Frequancy of class preceding the median class

$f_1=$ Frequency of median class

$h=$ Width of median class