This topic contains a solution. Click here to go to the answer

Author Question: Which of the following statements about stepwise regression is true? a.Once a variable is ... (Read 142 times)

Zulu123

  • Hero Member
  • *****
  • Posts: 525

  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.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jointhecircus

  • Sr. Member
  • ****
  • Posts: 343
Answer to Question 1

correct: c

Answer to Question 2

correct: d



Zulu123

  • Hero Member
  • *****
  • Posts: 525
Both answers were spot on, thank you once again




 

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...

For a complete list of videos, visit our video library