Find the Mean 2 , 2 , 8 , 10 , 15 , 30 , 36 , 40 , 50 , 51

$2$ , $2$ , $8$ , $10$ , $15$ , $30$ , $36$ , $40$ , $50$ , $51$

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

$\frac{2 + 2 + 8 + 10 + 15 + 30 + 36 + 40 + 50 + 51}{10}$

Simplify the numerator.

Add $2$ and $2$ .

$\frac{4 + 8 + 10 + 15 + 30 + 36 + 40 + 50 + 51}{10}$

Add $4$ and $8$ .

$\frac{12 + 10 + 15 + 30 + 36 + 40 + 50 + 51}{10}$

Add $12$ and $10$ .

$\frac{22 + 15 + 30 + 36 + 40 + 50 + 51}{10}$

Add $22$ and $15$ .

$\frac{37 + 30 + 36 + 40 + 50 + 51}{10}$

Add $37$ and $30$ .

$\frac{67 + 36 + 40 + 50 + 51}{10}$

Add $67$ and $36$ .

$\frac{103 + 40 + 50 + 51}{10}$

Add $103$ and $40$ .

$\frac{143 + 50 + 51}{10}$

Add $143$ and $50$ .

$\frac{193 + 51}{10}$

Add $193$ and $51$ .

$\frac{244}{10}$

Cancel the common factor of $244$ and $10$ .

Factor $2$ out of $244$ .

$\frac{2 (122)}{10}$

Cancel the common factors.

Factor $2$ out of $10$ .

$\frac{2 \cdot 122}{2 \cdot 5}$

Cancel the common factor.

$\frac{2 \cdot 122}{2 \cdot 5}$

Rewrite the expression.

$\frac{122}{5}$

Divide.

$24.4$