Which of the following is involved in selecting the most ...

[go.lag]

  Which of the following is involved in selecting the most appropriate model?
 

  a.Perform a residual analysis.
  b.All of these answers.
  c.Examine the model for potential violation of assumptions.
  d.Specifying possible predictor variables.

Question 2

  What is the general idea behind stepwise regression?
 

  a.To remove as much variation as possible in y while using as many x variables as possible.
  b.To minimize the variation in the x variables.
  c.To explain as much variation as possible in y while using the fewest possible x variables.
  d.To eliminate as many x variables as possible.x

[Moriaki]

Answer to Question 1

correct: b

Answer to Question 2

correct: c