Examlex
The principal feature of private goods is that
Correlation
A statistical measure that describes the degree to which two variables move in relation to each other.
Hypothesis
An if–then statement of conjecture that relates variables to one another and is used to reflect the general problem statement or question that is the motivation for asking a research question.
Directional Research Hypothesis
A research hypothesis that posits a difference between groups in one direction.
Nondirectional Research Hypothesis
A research hypothesis that posits a difference between groups but not in either direction. See Directional Research Hypothesis.
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