# mean

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Related to mean business: run ragged, rough it, ring hollow

## mean,

in statistics, a type of averageaverage,
number used to represent or characterize a group of numbers. The most common type of average is the arithmetic mean. See median; mode.
. The arithmetic mean of a group of numbers is found by dividing their sum by the number of members in the group; e.g., the sum of the seven numbers 4, 5, 6, 9, 13, 14, and 19 is 70 so their mean is 70 divided by 7, or 10. Less often used is the geometric mean (for two quantities, the square root of their product; for n quantities, the nth root of their product).

## mean

see MEASURES OF CENTRAL TENDENCY.

## mean

[mēn]
(mathematics)
A single number that typifies a set of numbers, such as the arithmetic mean, the geometric mean, or the expected value. Also known as mean value.

## mean

Maths
a. the second and third terms of a proportion, as b and c in a/b = c/d

## MEAN

(MongoDB, Express, AngularJS, Node.js) A set of system software used for developing JavaScript-based Web applications. Node.js is server-side JavaScript, while Express provides an abbreviated framework for it. AngularJS is used for client-side JavaScript, and MongoDB is a highly scalable database that supports full clustering and automatic sharding. See MongoDB, Node.js, LAMP and database partitioning.
References in periodicals archive ?
We Mean Business offers support for small firms, sole traders and those thinking of starting a business.
8220;The SDBJ Women Who Mean Business award is a tremendous accomplishment and I appreciate the recognition given to the professional women who are striving to build our city's businesses and economy.
Steen Raskopoulos: I'm Wearing Two Suits Because I Mean Business is at Underbelly, Bristo Square, until August 25.
Mums Mean Business was conceived as a place to inspire mums and to be inspired by mums.
Other teams will look at that and think Rangers mean business this season.
The fact is there are two kinds of business people; those who are in business and those who mean business.
A SWANSEA executive has been named Welsh Women Mean Business Woman of the Year at the inaugural Welsh Women Mean Business Awards.
TYNESIDE women have shown they mean business as part of International Women's Day.

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