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. $42$
• B. $43$
• C. $42.5$

Answer 1

The correct option is C $42.5$

There are total $12$ 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 $=\frac{42+43}{2}=\frac{85}{2}$

Median $=42.5$