What is the term for a variable whose value is a numerical outcome of a random phenomenon?

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A random variable is a variable whose value is a numerical outcome of a random phenomenon. It can take on different values based on chance, and its probability distribution can be described using probability models. Parameters are numerical summaries of a population, biased refers to a systematic error in measurement or sampling, and a random sample is a subset of a population selected through a random process.

What Is the Term for a Variable Whose Value Is