Examlex
A multiple regression model involves 3 predictor variables and a sample of 20 data points. If we want to test the usefulness of the model at the 1% significance level, the critical value of the rejection region is:
Null-hypothesis Significance Testing
A statistical method used to determine if there is enough evidence in a sample of data to infer that a certain condition holds true for the entire population.
P-value
A statistical measure that helps scientists determine the strength of their evidence; it indicates the probability of observing their data, or something more extreme, if the null hypothesis were true.
Statistically Significant
A term indicating that the results of an analysis are unlikely to be due to chance, according to a predefined threshold of probability.
Atheoretical
Lacking a theoretical basis, not guided by a theory.
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