Question

This ordered stem and leaf plot shows the number of votes received by $12$ students running for student body president.

Stem|	Leaf
2 |	0, 2, 2, 8
3 |	2
4 |	2, 3, 4, 5
5 |	1, 4
9 |	8

Find the median number of votes collected.

• A. 42.5

Answer 1

The correct option is A 42.5
There are total $12$ number of values in the given data set.
Median $=$ Mean of $6^{th}$ and $7^{th}$ values
$6^{th}$ value $=42$
$7^{th}$ value $=43$
Median $=$ Mean of $42$ and $43$

Median $=\frac{42+43}{2}$
$=\frac{85}{2}$
$=42.5$