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BUAN 6312 Exam 1 questions and answers
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BUAN 6312 Exam 1 questions and answers
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BUAN 6312 Exam 1 questions and answersIn an F test, J is the number of what in the model? -
answer Restrictions
In an F test, K is the number of what in the unrestricted model? - answer Coefficients including the intercept
Type I error - answer Rejecting H0 when true
Type II error - answer Not rejecting H0 when false
Reject H0 if p is ______ than alpha - answer less If the chosen model is correct, the plotted residuals
should look completely what? - answer random
What is it called when a relevant variable explanatory variable is left out and causes bias in other variables? - answer Omitted variable bias
Irrelevant variables increase what two things for other variables? - answer SE and p values
When a set of variables have exact collinearity is included in an econometric model, the coefficient estimates are what? - answer Undefined
What is not used to evaluate model specifications? - answer R^2
What is eliminated by including an additional variable in a regression? - answer Omitted variable
bias
Running functions where each explanatory variable
is estimated as a function of the other explanatory
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