Question

1. the greenfield playhouse’s annual play included children of the following ages: 7, 12, 11, 8, 10, and 9. calculate the mean age of the child actors.

Explanation:

Step1: Find the sum of ages

$7 + 12+11 + 8+10 + 9=57$

Step2: Count the number of children

There are 6 children.

Step3: Calculate the mean

The mean $\bar{x}=\frac{57}{6}=9.5$

Answer:

$9.5$