Question

Draw an ogive to represent the following frequency distribution:

Class interval	$0-4$	$5-9$	$10-14$	$15-19$	$20-24$
No. of students	$2$	$6$	$10$	$5$	$3$

Answer 1

Class interval	No. of students	Less than	Cumulative frequency
-$0.5-4.5$	$2$	$4.5$	$2$
$4.5-9.5$	$6$	$9.5$	$8$
$9.5-14.5$	$10$	$14.5$	$18$
$14.5-19.5$	$5$	$19.5$	$23$
$19.5-24.5$	$3$	$24.5$	$26$

Plot the points $(4.5,2),(9.5,8),(14.5,18),(19.5,23),$ and $(24.5,26)$ by taking the upper class limit over the x-axis and cumulative frequency over the y-axis.