Question

if the class mark of a frequency distribution are 9.5, 16.5,23.5,30.5,then find the class interval corresponding to the class mark of 16.5 .

Answer 1

Hlw mate!!


Given class marks xi are
x1=9.5,
x2=16.5
x3=23.5
Class size=h=x2-x1
=23.5-16.5
=7
Class interval of 16.5 = (x2-h/2, x2+h/2)
=(16.5-3.5 , 16.5+3.5)
=13-20


Hope it helpful

Answer 2

hey mate✌✌✌
13-20 will be ur answer buddy.....

hope it helps u...
mark it as brainlist plz