Respuesta :

Given:

Given data set is

13, 7, 17, 19, 7, 15, 11, 7, 21

Required:

To find the mean, median, mode, and range.

Explanation:

Mean:

[tex]\begin{gathered} =\frac{13+7+17+19+7+15+11+7+21}{9} \\ \\ =\frac{117}{9} \\ \\ =13 \end{gathered}[/tex]

Median:

Now