Examlex
_______________ validity is the correspondence between the empirical test of a hypothesis and the underlying causal process that the experiment is intended to represent.
Scatter Plot Line
Might refer to a trend line drawn through a scatter plot to show the direction of the relationship between two variables, although "Scatter Plot Line" is not a standard term.
Correlation
An index quantifying how much two or more variables move in conjunction with one another.
Prediction Error
The difference between the observed values and the values predicted by a model.
Absolute Value
The non-negative value of a number without regard to its sign; essentially, it's the distance of a number from zero on the real number line.
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