Basic Math Examples

$36$ , $39$ , $58$ , $42$ , $106$ , $39$ , $48$ , $45$

Step 1

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

$\frac{36 + 39 + 58 + 42 + 106 + 39 + 48 + 45}{8}$

Step 2

Simplify the numerator.

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Step 2.1

Add $36$ and $39$ .

$\frac{75 + 58 + 42 + 106 + 39 + 48 + 45}{8}$

Step 2.2

Add $75$ and $58$ .

$\frac{133 + 42 + 106 + 39 + 48 + 45}{8}$

Step 2.3

Add $133$ and $42$ .

$\frac{175 + 106 + 39 + 48 + 45}{8}$

Step 2.4

Add $175$ and $106$ .

$\frac{281 + 39 + 48 + 45}{8}$

Step 2.5

Add $281$ and $39$ .

$\frac{320 + 48 + 45}{8}$

Step 2.6

Add $320$ and $48$ .

$\frac{368 + 45}{8}$

Step 2.7

Add $368$ and $45$ .

$\frac{413}{8}$

Step 3

Divide.

$51.625$

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.

$51.6$