A linear regression equation is calculated for a sample of n = 20 ...

[j.rubin]

A linear regression equation is calculated for a sample of n = 20 pairs of X and Y values. What would be the df value for the standard error of estimate?
 
  A) 1
  B) 2
  C) 18
  D) 19

Question 2

When is there a risk of a Type I error?
 
  A) Whenever H0 is rejected
  B) Whenever H1 is rejected
  C) Whenever the decision is fail to reject H0
  D) The risk of a Type I error is independent of the decision from a hypothesis test.

[srodz]

Answer to Question 1

C

Answer to Question 2

A