Question

Draw less than type cumulative frequency curve and find the median for the following data.

Seif study time daily in minutes	30 - 60	60 - 90	90 - 120	120 - 150	150 - 180	180 - 210
Number of students	5	16	38	96	48	17

• A. Median $\approx$ 135.94
• B. Median $\approx$130
• C. Median $\approx$125
• D. Median $\approx$110

Answer 1

The correct option is A Median $\approx$ 135.94

self study time	no. of students	class	c.f
$30-60$	$5$	less thsn $60$	$5$
$60-90$	$16$	less than $90$	$21$
$90-120$	$38$	less than $120$	$59$
$120-150$	$96$	less tha $150$	$155$
$150-180$	$48$	less than $180$	$203$
$180-210$	$17$	less than $210$	$210$

Median is $135.94$