Question

please answer 19 ques ​

Answer 1

Answer:

To find the median class :

First add the total no. of frequencies

Here, f = 20

Formula to obtain the median class

= Total no. of frequency + 1 / 2

So, Median class = 20+1/2

= 10.5

Hence, the median class of 10.5 lies between the intervals 10-15