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Author Question: Which of the following statements about stepwise regression is true? a.Once a variable is ... (Read 144 times)

Zulu123

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on: Jul 24, 2018

  Which of the following statements about stepwise regression is true?
 

  a.Once a variable is chosen for the model, it will never be removed.
  b.The coefficient of each variable in the model remains the same as new variables are added.
  c.If two independent variables are highly correlated, only one of them will enter the equation.
  d.After computing the simple regression model for each independent variable, all variables whose F-statistics are higher than the F-to-enter are immediately added to the model.

Question 2


  When are lagged predictor variables most commonly used?
 

  a.In a analysis of variance.
  b.In a simple linear regression model.
  c.In an exponential model.
  d.In a time series regression model.


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jointhecircus

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

correct: c

Answer to Question 2

correct: d


Zulu123

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Reply #2 on: Jul 24, 2018
Both answers were spot on, thank you once again


jointhecircus

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Reply #3 on: Jul 24, 2018
Great! Please up vote :D


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