en.wikipedia.org/wiki/Mean

In mathematics, mean has several different definitions depending on the context. In probability ... The arithmetic mean of a set of numbers x1, x2, ..., xn is typically denoted by x ¯ {\displaystyle {\bar {x}}} {\bar {x}} , pronounced "x bar". If the data ...

www.purplemath.com/modules/meanmode.htm

Explains how to compute the mean, median, mode, and range of a list of numbers.

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.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.factmonster.com/math/numbers/mean-and-median

The arithmetic mean, also called the average, of a series of quantities is obtained by finding the sum of the quantities and dividing it by the number of quantities.

wiki.scratch.mit.edu/wiki/Finding_the_Mean_of_Numbers

Jun 23, 2017 ... "Finding the Average of Numbers" redirects here. For other measures of the center of a set, see Finding the Average of Numbers ...

www.wikihow.com/Calculate-the-Mean

How to Calculate the Mean. In mathematics, the "mean" is a kind of average found by dividing the sum of a set of numbers by the count of numbers in the set.

www.algebralab.org/lessons/lesson.aspx?file=algebra_statmeanmedianmode.xml

When you hear someone use the word "average" to describe a set of numbers, be careful. A more accurate phrase to use is measure of central tendency.

www.vocabulary.com/articles/chooseyourwords/mean-median-average

The mean, sometimes called the arithmetic mean, of this set is 33. The mean is the sum of all the numbers in the set (167) divided by the amount of numbers in ...