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mean

mean

29 3.5
The average of a set of numbers
  • noun
  • /miːn/
  • Specialized
translation icon : media
  • In statistics, the mean is the value you get when you add up all the numbers and divide by how many there are.
  • mean (SD)
  • mean score
  • mean (standard deviation)

So the population mean weight, pop mean weight.

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Examples

  • This is the density function and we have to find the mean of Y and the variance of Y.

  • A cursory examination of the descriptive statistics reveals higher mean scores for errors in tonal melodies.

    Academic text (2013)
  • Studying my player history, ran it through your algorithm, saw that I was playing way above my mean.

  • For the strategic management course, the mean was also significant at p < .0001.

    Academic text (2013)
  • OK, now we just want to compute what is the mean and variance of the portfolio.

  • The samples were analyzed in triplicate, and the mean of the two closest was reported.

    Academic text (2015)
  • School percentages were computed by calculating the grand mean score for all who completed the form.

    Academic text (2013)
  • For the Volunteer Group, the mean missed was 4.73 with a standard deviation of 1.26.

    Academic text (2015)
  • Scoring for the WIST is based on a mean of 100.0 and a standard deviation of 15.0.

    Academic text (2015)
  • In our study, the mean DASH score at a mean of 18.5 months postoperatively was 11.79.

    Academic text (2015)

Synonyms

expectation
vsmean
  • Specialized
27 7.9

The average value from many results of a random event

is the concrete average computed from actual data points
norm
vsmean
  • Specialized
27 3.9

A value that shows the typical level in a set of data

is the mathematical average computed directly from numerical values
expected value
vsmean
  • Specialized
2 6.6

You find the average result you expect by adding each possible outcome times its chance

is the plain sample average from listed numerical values
first moment
vsmean
  • Specialized
1 7.2

The average of a set of numbers that you get by adding them and dividing by how many there are

is the common statistical average term used broadly
mean value
vsmean
  • Specialized
1 3.4

The average of numbers found by adding them and dividing by how many there are

is the regular average term without technical function detail
arithmetic mean
vsmean
  • Specialized
1 3.0

A number you get when you add numbers and divide by how many numbers there are

is the general name for that same average calculation
ave
vsmean
  • Specialized
7.7

A short form of average showing a typical number, like batting average

is the full common term used outside abbreviations

Idioms

33 3.9

To be very important to someone

to mean business
  • Informal
33 4.6

To show that you are serious and not joking

lean and mean
  • Informal
3 5.3

Working well and able to compete while using few resources

To show a strong idea with very few words

Compounds

MEAN
  • Specialized
20 7.4

A set of JavaScript tools for building web applications using MongoDB, Express, Angular and Node.js

mean streak
  • Informal
7 6.5

A habit of being unkind or cruel to other people

mean trick
  • Informal
1 5.4

An action that hurts or deceives someone on purpose

People use the time at Greenwich in England as the world time standard

mean value
  • Specialized
1 3.4

The average of numbers found by adding them and dividing by how many there are

arithmetic mean
  • Specialized
1 3.0

A number you get when you add numbers and divide by how many numbers there are

mean distance
  • Specialized
1 8.5

Average of the farthest and nearest distances of a planet or satellite from the body it orbits

geometric mean
  • Specialized
1 7.4

An average of positive numbers found by multiplying them and taking the root for the number of items

harmonic mean
  • Specialized
1 7.5

An average for rates found by dividing the number of values by the sum of 1 divided by each value

A funny list of harsh insults people use

mean solar day
  • Specialized
6.3

Average time for Earth to turn once so the Sun appears in the same place, about 24 hours

mean solar time
  • Specialized
8.0

Time kept by an imaginary sun moving at a steady speed used for standard clocks

mean deviation
  • Specialized
7.1

A measure showing how much numbers differ from their average

The average distance of each number from the group's average

mean sun
  • Specialized
9.9

An imaginary sun that moves at a steady speed across the sky to measure time

mean time
  • Specialized
8.7

Time kept by an imaginary sun that moves evenly across the sky to set clocks

A moderate choice between two extremes in how you act or decide

golden mean
  • Specialized
8.1

A special ratio where the small part to the big part equals the big part to the whole

8.5

A very high or very low result usually comes before a result closer to the average

weighted mean
  • Specialized
6.0

An average that gives some numbers more importance using assigned values

6.3

An average where some numbers count more than others, for example when scores have different importance

Winsorized mean
  • Specialized
8.9

A type of average where you replace the highest and lowest values with closer values before finding the average

How Robust

median
  • Specialized
10 5.3
Winsorized mean
  • Specialized
8.9
mean
  • Specialized
29 3.5

Surface Forms

mean singular
means plural

Etymology

Mean as the mathematical noun for an average comes from a word meaning 'middle', like median or 'middle'. So the mathematical mean is a way to find the middle value of a set of numbers.