en.wikipedia.org/wiki/Average

In colloquial language, an average is a middle or typical **number** of a list of
**numbers**. Different concepts of average are used in different contexts. Often "
average" refers to the arithmetic **mean**, the sum of the **numbers** divided by how
many **numbers** are being averaged; in **mathematics** ...

en.wikipedia.org/wiki/Arithmetic_mean

In **mathematics** and statistics, the arithmetic **mean** or simply the **mean** or average
when the context is clear, is the sum of a collection of **numbers** divided by the ...

www.mathsisfun.com/mean.html

The **mean** is the average of the **numbers**. It is easy to calculate: add up all the
**numbers**, then divide by how many **numbers** there are. In other words it is the
sum ...

www.purplemath.com/modules/meanmode.htm

Find the **mean**, median, mode, and range for the following list of values: 13, 18,
13, 14, 13, 16, 14, 21, ... You should not assume that your **mean** will be one of
your original **numbers**. The median is the middle .... get. Go. Basic **Math**. Basic
**Math**.

www.khanacademy.org/math/probability/data-distributions-a1/summarizing-center-distributions/v/mean-median-and-mode

Here we give you a set of **numbers** and then ask you to find the **mean**, median,
and mode. It's your first opportunity to practice with us!

www.wyzant.com/resources/lessons/math/elementary_math/mean_median_and_mode

Finding the **mean**, also known as averaging **numbers**, is a very useful thing to
know ... Amy's **math** grades are: 99, 89, 94, 85, 79, 83, 95, 93, 100, 94, 80, 100.

www.ducksters.com/kidsmath/mean_median_mode_range.php

**Mean** - When people say "average" they usually are talking about the **mean**. You
can figure out the **mean** by adding up all the **numbers** in the data and then ...

www.virtualnerd.com/middle-math/probability-statistics/mean-median-mode-range/mean-data-set

mathforum.org/library/drmath/view/58326.html

Consider the set of **numbers** 80, 90, 90, 100, 85, 90. They could be **math** grades,
for example. The **MEAN** is the arithmetic average, the average ...