Pronunciation: /ærɪθˈmɛ tɪk min/ ?
The arithmetic mean of a set of numbers is the sum of the numbers
divided by how many numbers there are in the set. This is the most commonly used average. The formula for
the arithmetic mean is
are the numbers in the set and
is the number of numbers in the set.
For example, the arithmetic mean of
The definition of arithmetic mean in mathematical language is
- arithmetic mean. merriam-webster.com. Encyclopedia Britannica. (Accessed: 2009-03-12). http://www.merriam-webster.com/dictionary/arithmetic mean.
- Lodge, Sir Oliver, F.R.S.. Easy Mathematics, Mainly Arithmetic, pg 339. Easy Mathematics. MacMillan and Company, Ltd., 1906. (Accessed: 2010-01-06). http://www.archive.org/stream/easymathematicsc00lodgrich#page/339/mode/1up/search/mean.
Cite this article as:
Arithmetic Mean. 2010-01-06. All Math Words Encyclopedia. Life is a Story Problem LLC. http://www.allmathwords.org/en/a/arithmeticmean.html.
2010-01-06: Added "References" (McAdams, David.
2008-12-03: Changed equations to images (McAdams, David.
2008-06-24: Changed equations to LaTeX, added descriptions of the variables (McAdams, David.
2007-08-20: Add this revision history (McAdams, David.
2007-07-12: Initial version (McAdams, David.