Question

How to find median in grouped data???

Answer 1

 M =( n/2 - cf ) c 
               f

cf - cumulative frequency preceding median class

c----width of median class

f ------ frequency median class

Answer 2

$\huge\boxed{\underline{\underline{\purple{\mathfrak{Answer}}}}}$

$take \: the \: \frac{n}{2} th \: term \\ \frac{ \frac{n}{2} + cf }{f} \times h \\ where \: n = total of \: all \: frequency \\ cf =cumiliative \: frequency \\ f = frequency \\ and \: h = class \: interval$

$<marquee direction="left">$ follow the above mentioned steps!!