Basic Math Examples

$25$ , $0 + 15.5$

Step 1

Add $0$ and $15.5$ .

$25, 15.5$

Step 2

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

$\frac{25 + 15.5}{2}$

Step 3

Add $25$ and $15.5$ .

$\frac{40.5}{2}$

Step 4

Divide $40.5$ by $2$ .

$20.25$

Step 5

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.

$20.3$