IEVref: 103-08-10 ID: Language: en Status: Standard Term: expectation, Synonym1: mean, [Preferred] Synonym2: Synonym3: Symbol: Definition: for a discrete random variable X taking the values ${x}_{i}$ with the probabilities ${p}_{i}$, the sum $E\left(X\right)={\sum }_{i}{p}_{i}{x}_{i}$extended for all values ${x}_{i}$ which can be taken by X for a continuous random variable X having the probability density function $f\left(x\right)$, the value of the integral $E\left(X\right)=\int x\text{ }f\left(x\right)\mathrm{d}x$ extended for all values of the interval of variation of X Publication date: 2009-12 Source: Replaces: Internal notes: 2017-02-20: Editorial revisions in accordance with the information provided in C00020 (IEV 103) - evaluation. JGO CO remarks: TC/SC remarks: VT remarks: Domain1: Domain2: Domain3: Domain4: Domain5: