Question

The salary of $43$ employees are given in the following table. Find the median.

Salary (in Rs)	$4000$	$5500$	$6000$	$8250$	$10,000$	$17,000$	$25,000$
Number of employees	$7$	$5$	$4$	$3$	$13$	$8$	$3$

Answer 1

Salary (in Rs)	Number of Employees	$cf$
4000	7	7
5500	5	12
6000	4	16
8250	3	19
10000	13	32
17000	8	40
25000	3	43
Total	43

Here $N=43,$ then $\frac{N}{2}=\frac{43}{2}=21.5$

Now, frequency greater than $21.5$ is $32$ and salary is $10000$ for $cf=32$

Hence, the median is $10000$.