Basic Math Examples

$99$ , $120$ , $106$ , $111$ , $107$ , $106$

Step 1

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

$\frac{99 + 120 + 106 + 111 + 107 + 106}{6}$

Step 2

Simplify the numerator.

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Step 2.1

Add $99$ and $120$ .

$\frac{219 + 106 + 111 + 107 + 106}{6}$

Step 2.2

Add $219$ and $106$ .

$\frac{325 + 111 + 107 + 106}{6}$

Step 2.3

Add $325$ and $111$ .

$\frac{436 + 107 + 106}{6}$

Step 2.4

Add $436$ and $107$ .

$\frac{543 + 106}{6}$

Step 2.5

Add $543$ and $106$ .

$\frac{649}{6}$

Step 3

Divide.

$108.1\overline{6}$

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.

$108.2$