Question

What is the mean of the following data set?

{13, 18, 13, 14, 13, 16, 14, 21, 13}
(1 point)
13
13.5
O 14
O 15

Answer 1

Mean: 15

Explanation:

We know

Set up numbers: {13, 18, 13, 14, 13, 16, 14, 21, 13}

The mean of a set of numbers is the sum divided by the number of terms.

We take

`(13+18+13+14+13+16+14+21+13)/(9)` =
`(135)/(9)` = 15

So, the mean is 15