Find the Mean 13 , 20 , 27 , 34

$13$ , $20$ , $27$ , $34$

Step 1

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

$\frac{13 + 20 + 27 + 34}{4}$

Step 2

Simplify the numerator.

Add $13$ and $20$ .

$\frac{33 + 27 + 34}{4}$

Add $33$ and $27$ .

$\frac{60 + 34}{4}$

Add $60$ and $34$ .

$\frac{94}{4}$

Step 3

Cancel the common factor of $94$ and $4$ .

Factor $2$ out of $94$ .

$\frac{2 (47)}{4}$

Cancel the common factors.

Factor $2$ out of $4$ .

$\frac{2 \cdot 47}{2 \cdot 2}$

Cancel the common factor.

$\frac{2 \cdot 47}{2 \cdot 2}$

Rewrite the expression.

$\frac{47}{2}$

Step 4

Divide.

$23.5$