Finite Math Examples

$9$ , $11$ , $13$ , $15$ , $17$ , $19$ , $21$ , $23$

Step 1

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

$\frac{9 + 11 + 13 + 15 + 17 + 19 + 21 + 23}{8}$

Step 2

Simplify the numerator.

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Step 2.1

Add $9$ and $11$ .

$\frac{20 + 13 + 15 + 17 + 19 + 21 + 23}{8}$

Step 2.2

Add $20$ and $13$ .

$\frac{33 + 15 + 17 + 19 + 21 + 23}{8}$

Step 2.3

Add $33$ and $15$ .

$\frac{48 + 17 + 19 + 21 + 23}{8}$

Step 2.4

Add $48$ and $17$ .

$\frac{65 + 19 + 21 + 23}{8}$

Step 2.5

Add $65$ and $19$ .

$\frac{84 + 21 + 23}{8}$

Step 2.6

Add $84$ and $21$ .

$\frac{105 + 23}{8}$

Step 2.7

Add $105$ and $23$ .

$\frac{128}{8}$

Step 3

Divide $128$ by $8$ .

$16$