This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: If covariance between two variables is near 0, then it implies that a. there exists a positive ... (Read 130 times)

V@ndy87

  • Hero Member
  • *****
  • Posts: 571
on: Jun 24, 2018
If covariance between two variables is near 0, then it implies that
 a. there exists a positive relationship between the variables.
  b. the variables are not linearly related.
  c. the variables are negatively related.
  d. the variables are strongly related.

Question 2

In backward selection stepwise regression with ten predictor variables, which of the following statements is correct?
 a. The procedure starts with 10 predictor variables and eliminate one predictor at each iteration.
  b. The procedure starts with 2 predictor variables and add one predictor at each iteration.
  c. The procedure starts with 1 predictor variables and add one predictor at each iteration.
  d. The procedure starts with no predictor variables and add one predictor at each iteration.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

millet

  • Sr. Member
  • ****
  • Posts: 354
Reply #1 on: Jun 24, 2018
Answer to Question 1

B

Answer to Question 2

A


V@ndy87

  • Member
  • Posts: 571
Reply 2 on: Jun 24, 2018
Excellent

mammy1697

  • Member
  • Posts: 341
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

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.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

Did you know?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

Cell-wall structure of Gram-positive and Gram-negative bacteria. Cell-wall structure of Gram-positive and Gram-negative bacteria.
I'm Positive! I'm Positive!
Positive and Negative Symptoms of Schizophrenia Positive and Negative Symptoms of Schizophrenia
Positive and Negative Stereotypes Positive and Negative Stereotypes
Negative and positive feedback loops Negative and positive feedback loops
Discrete random variables- Probability Distribution Function Discrete random variables- Probability Distribution Function
Video: Type of Transport - Active and Passive Processes

For a complete list of videos, visit our video library