What are the possible values for a dummy variable? a. 1 or 2 ...

[audie]

What are the possible values for a dummy variable?
 a. 1 or 2
 
  b. -1 or 1
 
  c. 0 or 1
 
  d. It depends on the data collected.

Question 2

If the impact of collinearity on the accuracy of a slope estimate increases, what happens to the variance inflation factor?
 a. It decreases.
 
  b. It increases.
 
  c. It remains the same.
 
  d. It approaches zero.

[succesfull]

Answer to Question 1

c

Answer to Question 2

b

[audie]

Great answer, keep it coming

[JaynaD87]

Thanks for the timely response, appreciate it