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Author Question: What type of regression selects independent variables for inclusion in the regression model one at a ... (Read 107 times)

joblessjake

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on: Jun 24, 2018
What type of regression selects independent variables for inclusion in the regression model one at a time?
 a. time series regression
 
  b. backward-selection stepwise regression
 
  c. logarithm transformed regression
 
  d. forward-selection stepwise regression

Question 2

If a residual plot looks like a parabola, what should you try adding to the model?
 a. Try replacing y by its logarithm.
 
  b. Nothing, the residual plot should look like a parabola.
 
  c. Try adding x2 to the model.
 
  d. Try replacing x with its square root.


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kishoreddi

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Reply #1 on: Jun 24, 2018
Answer to Question 1

d

Answer to Question 2

c


joblessjake

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Reply 2 on: Jun 24, 2018
Gracias!

mcarey591

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Reply 3 on: Yesterday
:D TYSM

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