## MEAN

### Mean

In mathematics,**mean**has several different definitions depending on the context. In probability and statistics,

**mean**and expected value are used synonymously to refer to one measure of the central tendency either of a probability distribution or of the random variable characterized by that distribution. In the case of a discrete probability distribution of a random variable

*X*, the mean is equal to the sum over every possible value weighted by the probability of that value; that is, it is computed by taking the product of each possible value

*x*of

*X*and its probability P, and then adding all these products together, giving ...

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### mean

#### Noun

- A method or course of action used to achieve some result.
- An intermediate step or intermediate steps.
- Something which is intermediate or in the middle; an intermediate value or range of values; a medium.
- The middle part of three-part polyphonic music; now specifically, the alto part in polyphonic music; an alto instrument.
- The average of a set of values, calculated by summing them together and dividing by the number of terms; the arithmetic mean.
- Any function of multiple variables that satisfies certain properties and yields a number representative of its arguments; or, the number so yielded; a measure of central tendency.
- Either of the two numbers in the middle of a conventionally presented proportion, as
*2*and*3*in*1:2=3:6*.

#### Verb

- To intend.
- To intend, to plan (to do); to have as one's intention.
*I didn't***mean**to knock your tooth out.*I mean to go to Baddeck this summer.**I meant to take the car in for a smog check, but it slipped my mind.*

- To have intentions of a given kind.
*Don't be angry; she***meant**well.

- To intend (something) for a given purpose or fate; to predestine.
*Actually this desk was***meant**for the subeditor.*Man was not***meant**to question such things.

- To intend, to plan (to do); to have as one's intention.
- To convey meaning.

*The sky is red this morning—does that***mean**we're in for a storm?

- Of a word, symbol etc: to have reference to, to signify.
*What does this hieroglyph***mean**?

- To have conviction in (something said or expressed); to be sincere in (what one says).
*Does she really***mean**what she said to him last night?*Say what you mean and***mean**what you say.

- To result in; to bring about.
*One faltering step***means**certain death.

- To be important (to).
*My home life***means**a lot to me.

#### Verb (etymology 2)

#### Adjective

- Common; general.
- Of a common or low origin, grade, or quality; common; humble.
- Low in quality or degree; inferior; poor; shabby.
- Without dignity of mind; destitute of honour; low-minded; spiritless; base.
*a***mean**motive

- Of little value or account; worthy of little or no regard; contemptible; despicable.
- Niggardly; penurious; miserly; stingy.
- Of little value or account; low in worth or estimation; worthy of little or no regard; contemptible; despicable.
- Disobliging; pettily offensive or unaccommodating; small.
- Selfish; acting without consideration of others; unkind.
- Causing or intending to cause intentional harm; bearing ill will towards another; cruel; malicious.
- Powerful; fierce; harsh; damaging.
- Accomplished with great skill; deft; hard to compete with.
- Difficult, tricky.

#### Adjective (etymology 2)

- Having the mean (
*see noun below*) as its value. - Middling; intermediate; moderately good, tolerable.

*The above text is a snippet from Wiktionary: mean*

and as such is available under the Creative Commons Attribution/Share-Alike License.

and as such is available under the Creative Commons Attribution/Share-Alike License.