The Cp statistic is used A) to determine if there is an ...

[luminitza]

The Cp statistic is used
 
  A) to determine if there is an irregular component in a time series.
  B) to choose the best model.
  C) to determine if there is a problem of collinearity.
  D) if the variances of the error terms are all the same in a regression model.

Question 2

The Variance Inflationary Factor (VIF) measures the
 
  A) standard deviation of the slope.
  B) correlation of the X variables with each other.
  C) contribution of each X variable with the Y variable after all other X variables are included in the model.
  D) correlation of the X variables with the Y variable.

[cupcake16]

Answer to Question 1

B

Answer to Question 2

B