Question

what is the arithmetic mean of the following numbers: 9, 10, 6, 5, 6

Explanation:

Step1: Find the sum of numbers

$9 + 10+6 + 5+6=36$

Step2: Divide by the number of values

There are 5 numbers. So, $\frac{36}{5}=7.2$

Answer:

$7.2$