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 114 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
Great answer, keep it coming :)


frankwu0507

  • Member
  • Posts: 322
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

For a complete list of videos, visit our video library