Question

Each of 5 students reported the number of movies they saw in the past year. This is what they reported.13,5,7,11,19Find the mean and median number of movies that the students saw.If necessary, round your answers to the nearest tenth.

Answer 1

Answer

Mean = 9

median = 11

Explanation

The reported numbers are: 13, 5, 7, 11, 19

Mean:

$\begin{gathered} Mean=\frac{\sum^x}{N} \\ \sum^x=13+5+7+11+19=45 \\ N=5 \\ \\ Mean=\frac{45}{5}=9 \end{gathered}$

Median:

The median is the middle number either in ascending or descending order:

5, 7, 11, 13, 19

The median is the:

$\frac{N+1}{2}=\frac{5+1}{2}=\frac{6}{2}=3rd\text{ }number$

The 3rd number is 11. Therefore, the median = 11