Find the Mean 3 , 3 , 4 , 5 , 5 , 9

$3$ , $3$ , $4$ , $5$ , $5$ , $9$

Step 1

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

$\frac{3 + 3 + 4 + 5 + 5 + 9}{6}$

Step 2

Simplify the numerator.

Add $3$ and $3$ .

$\frac{6 + 4 + 5 + 5 + 9}{6}$

Add $6$ and $4$ .

$\frac{10 + 5 + 5 + 9}{6}$

Add $10$ and $5$ .

$\frac{15 + 5 + 9}{6}$

Add $15$ and $5$ .

$\frac{20 + 9}{6}$

Add $20$ and $9$ .

$\frac{29}{6}$

Step 3

Divide.

$4.8\overline{3}$

Step 4

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.

$4.8$

Find the Mean 3 , 3 , 4 , 5 , 5 , 9

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