# If the mean of five numbers is 25, what is their sum?

##### 1 Answer

Mar 19, 2017

#### Explanation:

**Mean** is defined as (sum of values)/(number of values).

The five values can be anything, as long as they add up to

The second example, by the way, is a good illustration of why the mean is not always a good measure, if you want to say something about a collection of data.