Find the Mean -11 , -5 , 1 , 7

$- 11$ , $- 5$ , $1$ , $7$

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

$\frac{- 11 - 5 + 1 + 7}{4}$

Simplify the numerator.

Subtract $5$ from $- 11$ .

$\frac{- 16 + 1 + 7}{4}$

Add $- 16$ and $1$ .

$\frac{- 15 + 7}{4}$

Add $- 15$ and $7$ .

$\frac{- 8}{4}$

Divide $- 8$ by $4$ .

$- 2$