Find the Mean 4 , 9 , 6 , 3 , 4 , 2

$4$ , $9$ , $6$ , $3$ , $4$ , $2$

Step 1

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

$\frac{4 + 9 + 6 + 3 + 4 + 2}{6}$

Step 2

Simplify the numerator.

Add $4$ and $9$ .

$\frac{13 + 6 + 3 + 4 + 2}{6}$

Add $13$ and $6$ .

$\frac{19 + 3 + 4 + 2}{6}$

Add $19$ and $3$ .

$\frac{22 + 4 + 2}{6}$

Add $22$ and $4$ .

$\frac{26 + 2}{6}$

Add $26$ and $2$ .

$\frac{28}{6}$

Step 3

Cancel the common factor of $28$ and $6$ .

Factor $2$ out of $28$ .

$\frac{2 (14)}{6}$

Cancel the common factors.

Factor $2$ out of $6$ .

$\frac{2 \cdot 14}{2 \cdot 3}$

Cancel the common factor.

$\frac{2 \cdot 14}{2 \cdot 3}$

Rewrite the expression.

$\frac{14}{3}$

Step 4

Divide.

$4.\overline{6}$

Step 5

The mean should be rounded to one more decimal place than the original data. If the original data were mixed, round to one decimal place more than the least precise.

$4.7$

Find the Mean 4 , 9 , 6 , 3 , 4 , 2

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