Find the Mean (Arithmetic) 8 , -8 , 8 , -8

$8$ , $- 8$ , $8$ , $- 8$

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

$\frac{8 - 8 + 8 - 8}{4}$

Cancel the common factor of $8 - 8 + 8 - 8$ and $4$ .

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Factor $4$ out of $8$ .

$\frac{4 \cdot 2 - 8 + 8 - 8}{4}$

Factor $4$ out of $- 8$ .

$\frac{4 \cdot 2 + 4 \cdot - 2 + 8 - 8}{4}$

Factor $4$ out of $4 \cdot 2 + 4 \cdot - 2$ .

$\frac{4 \cdot (2 - 2) + 8 - 8}{4}$

Factor $4$ out of $8$ .

$\frac{4 \cdot (2 - 2) + 4 \cdot 2 - 8}{4}$

Factor $4$ out of $4 \cdot (2 - 2) + 4 (2)$ .

$\frac{4 \cdot (2 - 2 + 2) - 8}{4}$

Factor $4$ out of $- 8$ .

$\frac{4 \cdot (2 - 2 + 2) + 4 \cdot - 2}{4}$

Factor $4$ out of $4 \cdot (2 - 2 + 2) + 4 (- 2)$ .

$\frac{4 \cdot (2 - 2 + 2 - 2)}{4}$

Cancel the common factors.

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Factor $4$ out of $4$ .

$\frac{4 \cdot (2 - 2 + 2 - 2)}{4 (1)}$

Cancel the common factor.

$\frac{4 \cdot (2 - 2 + 2 - 2)}{4 \cdot 1}$

Rewrite the expression.

$\frac{2 - 2 + 2 - 2}{1}$

Divide $2 - 2 + 2 - 2$ by $1$ .

$2 - 2 + 2 - 2$

Simplify by subtracting numbers.

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Subtract $2$ from $2$ .

$0 + 2 - 2$

Add $0$ and $2$ .

$2 - 2$

Subtract $2$ from $2$ .

$0$

Find the Mean (Arithmetic) 8 , -8 , 8 , -8

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