The formula for the standard error of the regression coefficient, when moving from one explanatory variable to two explanatory variables,
A) stays the same.
B) changes, unless the second explanatory variable is a binary variable.
C) changes.
D) changes, unless you test for a null hypothesis that the addition regression coefficient is zero.
Ans: C) changes.
You might also like to view...
Why do businesses incorporate, and why do investors buy stocks?
What will be an ideal response?
Refer to Figure 3.1. If one of the graphs represents the total benefit of an activity, which other graph best represents the marginal benefit of the activity?
B. B
C. C
D. D
Regulation of a natural monopoly that forces it to price and produce as if it were a competitive firm results in
A) the market being instantly competitive. B) higher profits for the monopoly. C) economic losses for the monopoly. D) a highly unstable marketplace.
If U.S. GNP exceeds GDP by approximately $133 billion,
A. U.S. depreciation was ?$133 billion. B. U.S. factor income earned abroad was $133 billion less than foreign factor income. C. U.S. depreciation was $133 billion. D. U.S. factor income earned abroad exceeded foreign factor income by $133 billion.