Algebra: Average

An average is a way to compute, from a group of numbers, what would a "typical" number be. For example, we can talk about "the average height of six graders in Boondock county".
Normally, average is computed as the sum of numbers, divided by their quantity.

Mathematicians also like to write it using the sum symbol , like this:

Algebra.Com is a people's math website. It relies on people, such as yourself, who create our content. All solvers and lessons are submitted by algebra.com's users. They retain copyright to their content, although they do grant rights to algebra.com.

Creating lessons is easy! Look for other lessons and click on 'view source'. All you have to really know is mathematics.

Tutors Answer Your Questions about Average (FREE)