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expected value |
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expected value [ek′spek·təd ′val·yü] (mathematics) For a random variablexwith probability density function ƒ(x), this is the integral from -∞ to ∞ ofxƒ(x)dx. Also known as expectation. For a random variablexon a probability space (Ω,P), the integral ofxwith respect to the probability measureP. (systems engineering) In decision theory, a measure of the value or utility expected to result from a given strategy, equal to the sum over states of nature of the product of the probability of the state times the consequence or outcome of the strategy in terms of some value or utility parameter. Abbreviated EV. Also known as expected utility (EU). How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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The guidelines and best practices for product metrics from EIA 632 are to identify and track TPMs to determine the success of the system; project the evolution of the parameter as a function of time toward the desired value at the completion of development; and to identify product metrics and their expected values that will affect the quality of the product and provide information toward satisfying acquirer and other stakeholder requirements, as well as derived requirements. One of these is setting expected values in the analytical procedures portion of an audit or review. With lags >5 days, the trends of expected values were relatively similar, with a peak around day 20, a decreasing trend after this date, and the expectation of [R. |
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