# mean

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Related to mean: standard deviation

## 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.
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. 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
b. another name for average See also geometric mean

## 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 classic literature ?
In considering what words mean, it is natural to start with proper names, and we will again take "Napoleon" as our instance.
'I don't know what you mean by "glory,"' Alice said.
You mean that the return of a deposit of gold which is to the injury of the receiver, if the two parties are friends, is not the repayment of a debt,--that is what you would imagine him to say?
The average price of wage-labour is the minimum wage, i.e., that quantum of the means of subsistence, which is absolutely requisite in bare existence as a labourer.
The German word ALSO is the equivalent of the English phrase "You know," and does not mean anything at all--in TALK, though it sometimes does in print.
And what do you mean? How can a man's inside "front" in any direction?
"Bill Starkey," continued John, "did not mean to frighten his brother into fits when he dressed up like a ghost and ran after him in the moonlight; but he did; and that bright, handsome little fellow, that might have been the pride of any mother's heart is just no better than an idiot, and never will be, if he lives to be eighty years old.
"But surely love means perfect trust," said Rosalind.
The captain chid her for the conclusion of her speech, as an improper assurance in judging of her master's actions: for if his honour, or his understanding, would have suffered the captain to make an alliance with Mrs Wilkins, his pride would by no means have admitted it.
In the present task I have not got beyond this:--I am bent on finding Lizzie, and I mean to find her, and I will take any means of finding her that offer themselves.
He is at some obvious pains to "punish vice and reward virtue," but I do not mean that easy morality when I praise his; I mean the more difficult sort that recognizes in each man's soul the arbiter not of his fate surely, but surely of his peace.
There is another art which imitates by means of language alone, and that either in prose or verse--which, verse, again, may either combine different metres or consist of but one kind--but this has hitherto been without a name.

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