Examlex
A firm increases prices only if the demand for its product has increased.
T-test
A statistical test used to compare the means of two groups or samples, often employed to determine if there are significant differences between them.
Dependent Means
Refers to the average values that are influenced by other variables in an experimental setup.
Null Hypothesis
A hypothesis that states there is no effect or no difference, and it serves as the default assumption to be tested in hypothesis testing.
Difference Score
The result of subtracting one quantity from another, often used to measure change or effects in experimental designs.
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