bn:00005677n
Noun Concept
Categories: Articles containing proofs, Moment (mathematics), Means, Gambling terminology, archived copy as title
EN
arithmetic mean  expected value  expectation  first moment  mean
EN
The sum of the values of a random variable divided by the number of values WordNet 3.0
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EN
The sum of the values of a random variable divided by the number of values WordNet 3.0 & WordNet 2020
In mathematics and statistics, the arithmetic mean, or simply the mean or the average, is the sum of a collection of numbers divided by the count of numbers in the collection. Wikipedia
In probability theory, the expected value of a random variable X {\displaystyle X}, denoted E {\displaystyle E} or E [ X ] {\displaystyle E[X]}, is a generalization of the weighted average, and is intuitively the arithmetic mean of a large number of independent realizations of X {\displaystyle X}. Wikipedia
A commonly used type of average Wikipedia Disambiguation
Long-run average value of a random variable Wikidata
The mean of a list of N numbers calculated by dividing their sum by N. OmegaWiki
In mathematics, a measure of the "middle" of a data set. OmegaWiki
The measure of central tendency of a set of values computed by dividing the sum of the values by their number; commonly called the mean or the average. Wiktionary
Measure of central tendency. Wiktionary (translation)
The arithmetic mean. Wiktionary
The weighted average of outcome values, using probability as the weighting function. Wiktionary
Weighted average of outcomes. Wiktionary (translation)
EN
The arithmetic mean of 3, 6, 2, 3 and 6 is (3 + 6 + 2 + 3 + 6) / 5 = 4. Wiktionary