Question 1

Predictions of a dependent variable are subject to sampling variation.

Accepted Answer

A) True 
 B)False

Question 2

Which of the following correctly represents the equation for adjusted R2?

Accepted Answer

A)   = 1 - [SSR/(n -1)]/[SST/(n+1)] 
B)   = 1 - [SSR/(n -k - 1)]/[SST/(n+1)] 
C)   = 1 - [SSR/(n -k - 1)]/[SST/(n - 1)] 
D)   = 1 - [SSR]/[SST/(n - 1)]

Question 3

In the following equation, govrev represents total government revenue in a given year, and taxrate represents the tax rate, which can take on a value ranging from 0 to 1. govrev = 0.31 + 0.42 taxrate - 0.71 taxrate At what taxrate is govrev maximized?

Accepted Answer

A) 0.59 
B) 0.30 
C) 0.15 
D) 0.37

Question 4

A variable is standardized in the sample:

Accepted Answer

A) by multiplying by its mean. 
B) by subtracting off its mean and multiplying by its standard deviation. 
C) by subtracting off its mean and dividing by its standard deviation. 
D) by multiplying by its standard deviation.

Question 5

Standardized coefficients are also referred to as:

Accepted Answer

A) beta coefficients. 
B) y coefficients. 
C) alpha coefficients. 
D) j coefficients.

Question 6

If the R-squared value is low, then using OLS equation is very easy to predict individual future outcomes on y given a set of values for the explanatory variables.​

Accepted Answer

A) True 
 B)False

Question 7

To make predictions of logarithmic dependent variables, they first have to be converted to their level forms.

Accepted Answer

A) True 
 B)False

Exam 6: Multiple Regression Analysis Further Issues

Predictions of a dependent variable are subject to sampling variation.

Which of the following correctly represents the equation for adjusted R²?

In the following equation, govrev represents total government revenue in a given year, and taxrate represents the tax rate, which can take on a value ranging from 0 to 1. govrev = 0.31 + 0.42 taxrate - 0.71 taxrate At what taxrate is govrev maximized?

A variable is standardized in the sample:

Standardized coefficients are also referred to as:

If the R-squared value is low, then using OLS equation is very easy to predict individual future outcomes on y given a set of values for the explanatory variables.

To make predictions of logarithmic dependent variables, they first have to be converted to their level forms.

Exam 6: Multiple Regression Analysis Further Issues

Predictions of a dependent variable are subject to sampling variation.

Which of the following correctly represents the equation for adjusted R2?

In the following equation, govrev represents total government revenue in a given year, and taxrate represents the tax rate, which can take on a value ranging from 0 to 1. govrev = 0.31 + 0.42 taxrate - 0.71 taxrate At what taxrate is govrev maximized?

A variable is standardized in the sample:

Standardized coefficients are also referred to as:

If the R-squared value is low, then using OLS equation is very easy to predict individual future outcomes on y given a set of values for the explanatory variables.​

To make predictions of logarithmic dependent variables, they first have to be converted to their level forms.

Which of the following correctly represents the equation for adjusted R²?

If the R-squared value is low, then using OLS equation is very easy to predict individual future outcomes on y given a set of values for the explanatory variables.