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The difference between achievement and aptitude tests is that:
Probability Distribution
A mathematical equation that provides the probability values for different possible experiments' outcomes.
Coefficient of Determination
A statistical measure, often denoted as R², indicating the proportion of the variance in the dependent variable predictable from the independent variable(s).
Independent Variables
Variables in an analysis that are manipulated or categorized to determine their effect on dependent variables.
Variation
The measure of the spread or dispersion of a set of values in a particular dataset or sampling.
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