Find the Mean 1 , 2 , 3 , 4 , 5

$1$ , $2$ , $3$ , $4$ , $5$

Step 1

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

$\frac{1 + 2 + 3 + 4 + 5}{5}$

Step 2

Simplify the numerator.

Add $1$ and $2$ .

$\frac{3 + 3 + 4 + 5}{5}$

Add $3$ and $3$ .

$\frac{6 + 4 + 5}{5}$

Add $6$ and $4$ .

$\frac{10 + 5}{5}$

Add $10$ and $5$ .

$\frac{15}{5}$

Step 3

Divide $15$ by $5$ .

$3$