expected value

the value of a random variable or one of its functions as derived by mathematical calculation rather than observation. It is symbolized by E(x), with x varying according to the specific item of interest that is being calculated. Usually, the expected value is a mean or weighted average.

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Psychology term of the day

December 30th 2024

hearing mute

an obsolescent and pejorative name for an individual who is unable or unwilling to speak but is able to hear.