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

Author Question: Assume you are considering including two additional qualitative variables into a regression model. ... (Read 97 times)

penguins

  • Hero Member
  • *****
  • Posts: 903
Assume you are considering including two additional qualitative variables into a regression model. The first variable has 4 categories, and the second variable has 4 categories as well. Given this information, how many indicator variables will be incorporated into the model?
 a. 8
  b. 7
  c. 6
  d. 5
  e. 4

Question 2

Which of the following statements is true?
 a. It is appropriate to compute a correlation coefficient for the relationship between a dummy variable and a dependent variable.
  b. If a qualitative variable has m categories, you should use m - 1 dummy variables to incorporate the qualitative variable into a regression model.
  c. Dummy variables are used to incorporate qualitative variables into a regression model.
  d. All of these.
  e. None of these.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

leannegxo

  • Sr. Member
  • ****
  • Posts: 374
Answer to Question 1

C

Answer to Question 2

D




penguins

  • Member
  • Posts: 903
Reply 2 on: Jul 24, 2018
Thanks for the timely response, appreciate it


JaynaD87

  • Member
  • Posts: 368
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

Your heart beats over 36 million times a year.

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

For a complete list of videos, visit our video library