Find the Mean 85 , 78 , 77 , 69 , 83

$85$ , $78$ , $77$ , $69$ , $83$

Step 1

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

$\frac{85 + 78 + 77 + 69 + 83}{5}$

Step 2

Simplify the numerator.

Add $85$ and $78$ .

$\frac{163 + 77 + 69 + 83}{5}$

Add $163$ and $77$ .

$\frac{240 + 69 + 83}{5}$

Add $240$ and $69$ .

$\frac{309 + 83}{5}$

Add $309$ and $83$ .

$\frac{392}{5}$

Step 3

Divide.

$78.4$