Author Question: Which of the following explains interaction in a multiple regression model? a. The interaction ... (Read 103 times)

mwit1967

  • Hero Member
  • *****
  • Posts: 501
Which of the following explains interaction in a multiple regression model?
 a. The interaction effect is always equal to zero.
 
  b. Interaction occurs when the effect on the dependent variable of a change in one predictor, holding the other constant, depends on where that other variable is held constant.
 
  c. Interaction always occurs when there are more than two predictors in a model.
 
  d. Interaction occurs when two independent variables do not depend on the value of each other when determining their effect on the dependent variable.

Question 2

Which of the following are attributes charts?
 a. p chart, chart, and u chart
  b. p chart, X chart, and u chart
  c. p chart, c chart, and u chart
  d. p chart, c chart, and R chart



jharrington11

  • Sr. Member
  • ****
  • Posts: 365
Answer to Question 1

b

Answer to Question 2

c



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

The cure for trichomoniasis is easy as long as the patient does not drink alcoholic beverages for 24 hours. Just a single dose of medication is needed to rid the body of the disease. However, without proper precautions, an individual may contract the disease repeatedly. In fact, most people develop trichomoniasis again within three months of their last treatment.

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

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.

For a complete list of videos, visit our video library