Author Question: What is indicated by a Pearson correlation of r = +1.00 between X and Y? a. Each time X ... (Read 154 times)

naturalchemist

  • Hero Member
  • *****
  • Posts: 542
What is indicated by a Pearson correlation of r = +1.00 between X and Y?
 
  a. Each time X increases, there is a perfectly predictable increase in Y
  b. Every change in X causes a change in Y
  c. Every increase in X causes an increase in Y
  d. All of the other 3 choices occur with a correlation of +1.00.

Question 2

A researcher records the age and price for a group of used Hondas. What kind of correlation is likely to be obtained for these two variables?
 
  a. A positive correlation c. A correlation near zero
  b. A negative correlation d. A correlation near one



blazinlyss

  • Sr. Member
  • ****
  • Posts: 333
Answer to Question 1

A

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Did you know?

By definition, when a medication is administered intravenously, its bioavailability is 100%.

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

For a complete list of videos, visit our video library