« previous next »

Author Question: Three predictor variables are being considered for use in a linear regression model. Given the ... (Read 90 times)

cartlidgeashley

  • Hero Member
  • *****
  • Posts: 572
on: Jun 24, 2018
Three predictor variables are being considered for use in a linear regression model. Given the correlation matrix below, does it appear that multicollinearity could be a problem?
 
  x1 x2 x3
  x1 1.000
  x2 0.025 1.000
  x3 0.968 0.897 1.000

Question 2

In an outsourcing decision model, the total purchased cost is the product of the unit cost of outsourcing and demand volume.
 
  Indicate whether the statement is true or false
Statistics, Data Analysis, and Decision Modeling ¦ Evans ¦ 5th Edition
Buy Test-Bank


Brenm

  • Sr. Member
  • ****
  • Posts: 359
Reply #1 on: Jun 24, 2018
Answer to Question 1

It appears that multicollinearity could be a problem because x3 is highly correlated with both x1 and x2.

Answer to Question 2

TRUE


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

Thyroid conditions may make getting pregnant impossible.

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

The logistic growth model does not describe all populations. The logistic growth model does not describe all populations.
Lab: Paramecium Model Lab: Paramecium Model
Model for cleavage and polyadenylation of pre-mRNAs in mammalian cells Model for cleavage and polyadenylation of pre-mRNAs in mammalian cells
The Malthusian Model The Malthusian Model
A systems biology model of human disease gene interactions A systems biology model of human disease gene interactions
Model of the CFTR protein Model of the CFTR protein
Video: Plant Defense Mechanisms from Pathogens

For a complete list of videos, visit our video library