Finite Math Examples

$72$ , $61$ , $64$ , $58$ , $63$ , $75$ , $72$ , $81$ , $64$ , $72$

Step 1

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

$\frac{72 + 61 + 64 + 58 + 63 + 75 + 72 + 81 + 64 + 72}{10}$

Step 2

Simplify the numerator.

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Step 2.1

Add $72$ and $61$ .

$\frac{133 + 64 + 58 + 63 + 75 + 72 + 81 + 64 + 72}{10}$

Step 2.2

Add $133$ and $64$ .

$\frac{197 + 58 + 63 + 75 + 72 + 81 + 64 + 72}{10}$

Step 2.3

Add $197$ and $58$ .

$\frac{255 + 63 + 75 + 72 + 81 + 64 + 72}{10}$

Step 2.4

Add $255$ and $63$ .

$\frac{318 + 75 + 72 + 81 + 64 + 72}{10}$

Step 2.5

Add $318$ and $75$ .

$\frac{393 + 72 + 81 + 64 + 72}{10}$

Step 2.6

Add $393$ and $72$ .

$\frac{465 + 81 + 64 + 72}{10}$

Step 2.7

Add $465$ and $81$ .

$\frac{546 + 64 + 72}{10}$

Step 2.8

Add $546$ and $64$ .

$\frac{610 + 72}{10}$

Step 2.9

Add $610$ and $72$ .

$\frac{682}{10}$

Step 3

Cancel the common factor of $682$ and $10$ .

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Step 3.1

Factor $2$ out of $682$ .

$\frac{2 (341)}{10}$

Step 3.2

Cancel the common factors.

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Step 3.2.1

Factor $2$ out of $10$ .

$\frac{2 \cdot 341}{2 \cdot 5}$

Step 3.2.2

Cancel the common factor.

$\frac{2 \cdot 341}{2 \cdot 5}$

Step 3.2.3

Rewrite the expression.

$\frac{341}{5}$

Step 4

Divide.

$68.2$