Question

The cumulative frequency "more than type" is given in the following table.
Find the median of the following data.

Wages	$\ge 0$	$\ge 50$	$\ge 100$	$\ge 150$	$\ge 200$	$\ge 250$
Cumulative Frequency	90	80	60	30	15	0

Answer 1

Wages	Frequency	Cumulative Frequency($c.f$)
$\ge 0$	$10$	$90$
$\ge 50$	$20$	$80$
$\ge 100$	$30$	$60$
$\ge 150$	$15$	$30$
$\ge 200$	$15$	$15$
$\ge 250$	$0$	$0$

$\frac{n}{2}=\frac{90}{2}=45$ on the x-axis.
Therefore, $\frac{100+150}{2}=125$ is the median.