The Expected Value of a Random Variable Is

question 52

Multiple Choice

The expected value of a random variable is

• A) the value of the random variable that should be observed on the next repeat of the experiment.
• B) the value of the random variable that occurs most frequently.
• C) the square root of the variance.
• D) None of these alternatives is correct.

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Definitions:

Mean

In statistics, it is the arithmetic average of a set of numbers, calculated by adding them all up and dividing by the number of numbers.

Exceptionally High

Significantly surpassing the usual or average level, often in a way that is rare or unparalleled.

Participant Observation

A method used in social science research involving the immersion of the researcher in the environment of their subjects to observe and engage in their activities to gain a deeper understanding of their culture or behavior.

Median

A statistical measure that represents the middle value in a given set of numbers, where half the numbers are above the median and half are below.