Finite Math Examples

$13$ , $12$ , $2$ , $4$ , $10$ , $15$ , $7$ , $9$

Step 1

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

$\frac{13 + 12 + 2 + 4 + 10 + 15 + 7 + 9}{8}$

Step 2

Simplify the numerator.

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Step 2.1

Add $13$ and $12$ .

$\frac{25 + 2 + 4 + 10 + 15 + 7 + 9}{8}$

Step 2.2

Add $25$ and $2$ .

$\frac{27 + 4 + 10 + 15 + 7 + 9}{8}$

Step 2.3

Add $27$ and $4$ .

$\frac{31 + 10 + 15 + 7 + 9}{8}$

Step 2.4

Add $31$ and $10$ .

$\frac{41 + 15 + 7 + 9}{8}$

Step 2.5

Add $41$ and $15$ .

$\frac{56 + 7 + 9}{8}$

Step 2.6

Add $56$ and $7$ .

$\frac{63 + 9}{8}$

Step 2.7

Add $63$ and $9$ .

$\frac{72}{8}$

Step 3

Divide $72$ by $8$ .

$9$