## About

In mathematics and statistics, average [also called the mean] is the sum of a list of numbers divided by the size of the list. "In other words it is the sum divided by the count." ^{[1]}

## Example

Count:

Un-arranged values are:

Re-arranged values

step by step:

1. rearrange values from least to greatest
for example:

2. Add all values to calculate sum for example:

3. divide [4 is the count]

4. average [mean] =

## References

- ↑ Mathisfun. "How to find the mean." Accessdate: http://www.mathsisfun.com/mean.html 6/21/8