parameter
a numerical description of a POPULATION characteristic
A parameter is a quantitative or qualitative characteristic, condition, or value that defines, describes, or sets boundaries on a particular system, process, behavior, or phenomenon. In statistics, a parameter is a numerical summary of a population that is used to make inferences about that population. For example, in a normal distribution, the mean and standard deviation are two important parameters that describe the shape and spread of the distribution. In programming, a parameter is a variable or input value that is passed to a function or subroutine to be used in its calculation or operation. Parameters play a critical role in many fields, including mathematics, science, engineering, economics, and social sciences, among others.
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