Find the median from the following table :

Explanation

Here, N=56
`rArr (N)/(2)=(56)/(2)=28`
`:.` Median class =50-60
and `l_(1)=50,l_(2)=60,i=60-50= 10, f=19,C=25`
`:. " ""Median"M=l_(1)+(((N)/(2)-C))/(f)xxi`
`=50+((28-25))/(19)xx10`
`=50+(30)/(19=51.58`