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Alan Has Always Done Poorly in His Math Courses; He

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Alan has always done poorly in his math courses; he must take a statistics course next term to graduate. He is not confident he will do well in it and is very nervous about taking the course. In this example, Alan shows evidence of having ​


Definitions:

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.

Independent Variables

Variables in an analysis that are manipulated or categorized to determine their effect on dependent variables; essentially the same as explanatory variables but in a different context.

Skewed Left

Describes a distribution of data where the tail is longer on the left side of the distribution, indicating a larger number of lower values.

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