Find the Mean 5 , 6 , 7 , 6 , 8 , 9 , 6 , 7 , 7 , 9

$5$ , $6$ , $7$ , $6$ , $8$ , $9$ , $6$ , $7$ , $7$ , $9$

Step 1

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

$\frac{5 + 6 + 7 + 6 + 8 + 9 + 6 + 7 + 7 + 9}{10}$

Step 2

Simplify the numerator.

Add $5$ and $6$ .

$\frac{11 + 7 + 6 + 8 + 9 + 6 + 7 + 7 + 9}{10}$

Add $11$ and $7$ .

$\frac{18 + 6 + 8 + 9 + 6 + 7 + 7 + 9}{10}$

Add $18$ and $6$ .

$\frac{24 + 8 + 9 + 6 + 7 + 7 + 9}{10}$

Add $24$ and $8$ .

$\frac{32 + 9 + 6 + 7 + 7 + 9}{10}$

Add $32$ and $9$ .

$\frac{41 + 6 + 7 + 7 + 9}{10}$

Add $41$ and $6$ .

$\frac{47 + 7 + 7 + 9}{10}$

Add $47$ and $7$ .

$\frac{54 + 7 + 9}{10}$

Add $54$ and $7$ .

$\frac{61 + 9}{10}$

Add $61$ and $9$ .

$\frac{70}{10}$

Step 3

Divide $70$ by $10$ .

$7$