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expected value

   Also found in: Medical, Legal, Financial, Acronyms, Encyclopedia, Wikipedia, Hutchinson 0.01 sec.
ex·pect·ed value (k-spktd)
n.
1. The sum of all possible values for a random variable, each value multiplied by its probability of occurrence.
2. The integral of the probability density function and a continuous random variable over its range of values.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.expected valueexpected value - the sum of the values of a random variable divided by the number of values
statistics - a branch of applied mathematics concerned with the collection and interpretation of quantitative data and the use of probability theory to estimate population parameters
mean, mean value - an average of n numbers computed by adding some function of the numbers and dividing by some function of n


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? Mentioned in ? References in periodicals archive
 
For example, say you were attempting to derive an expected value for sales/revenue for the following company:
Therefore, in concert with Assumption I, it is generally assumed that the common expected value is equal to Y, i.
In 1997, it was 39 cents below the expected value, and by the 2001 crop year, the average price of $4.
 
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