Mean
This is an old revision of this page, as edited by Ed Poor (talk | contribs) at 13:49, July 10, 2007. It may differ significantly from current revision.
The mean is of a group of numbers is one way to express their average. To find the mean, the numbers are added and divided by the quantity of numbers in the group. For example: to find the mean of 3, 4, 6, and 7, we add them together: . Then we divide them by the quantity of numbers in the group, which is 4. .