SAGE Reference - Encyclopedia of Research Design

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Expected Value

In: Encyclopedia of Research Design
Edited by: Neil J. Salkind
Subject:Research Design
Keywords:probability; random variable

The expected value is the mean of all values of a random variable weighted by the probability of the occurrence of the values. The expected value (or expectation, or mean) of random variable (RV) X is denoted as E[X] (or sometimes ...

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  Salkind, N. J. (2010). Expected value. In Encyclopedia of research design (Vol. 1, pp. 442-445). SAGE Publications, Inc., https://dx.doi.org/10.4135/9781412961288.n139
  
  Salkind, Neil J. "Expected Value." In Encyclopedia of Research Design, edited by Salkind, Neil J., 442-45. Thousand Oaks, CA: SAGE Publications, Inc., 2010. https://dx.doi.org/10.4135/9781412961288.n139.
  
  Salkind, N. J. 2010. Expected Value. In: Neil J. Salkind Editor, 2010. Encyclopedia of Research Design, Thousand Oaks, CA: SAGE Publications, Inc. pp. 442-445 Available at: <https://dx.doi.org/10.4135/9781412961288.n139> [Accessed 27 May 2022].
  
  Salkind, Neil J. "Expected Value." Encyclopedia of Research Design. Edited by Vol. 1. Thousand Oaks: SAGE Publications, Inc., 2010, pp. 442-45. SAGE Knowledge. 27 May 2022, doi: https://dx.doi.org/10.4135/9781412961288.n139.
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