Examlex
The slope of the total revenue curve for a perfectly competitive firm equals
β
Beta; often refers to the standardized coefficient in regression analyses, indicating the weight or importance of a variable.
Null Hypothesis
A statement made for statistical testing that assumes no effect or no difference between groups or variables being studied.
Statistical Power
The probability that a test will correctly reject a false null hypothesis; a measure of a test's ability to detect an effect, if there is one.
Type II Error
The statistical mistake of failing to reject a false null hypothesis, also known as a false negative.
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