Author Question: What is indicated by a Pearson correlation of r = +1.00 between X and Y? a. Each time X ... (Read 125 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?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Did you know?

There are 60,000 miles of blood vessels in every adult human.

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.

For a complete list of videos, visit our video library