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Parameter
A parameter is a measurable attribute that helps to define the characteristics of a population or a function.
Population Regression Equation
An equation that describes the relationship between a dependent variable and one or more independent variables for an entire population.
Variability
Variability in statistics refers to how spread out or dispersed a set of data is, indicating the degree to which these data points differ from each other and from their average.
Degrees Of Freedom
The number of independent values in a statistical calculation that are free to vary.
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