Question

Identify the scale used on the axes of the adjacent graph. Write the frequency distribution from it

Answer 1

Scale : on X-axis $=1cm.=1$ class interval
on X-axis $=1cm.=10$ number of students

Class	I	II	III	IV	V	VI
No. of students $\left(f\right)$	$40$	$55$	$65$	$50$	$30$	$15$