« previous next »

Author Question: What is indicated by a Pearson correlation of r = +1.00 between X and Y? a. Each time X ... (Read 111 times)

naturalchemist

  • Hero Member
  • *****
  • Posts: 542
on: Jun 20, 2018
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
Reply #1 on: Jun 20, 2018
Answer to Question 1

A

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

naturalchemist

  • Hero Member
  • *****
  • Posts: 542
Reply #2 on: Jun 20, 2018
Thank you!


blazinlyss

  • Sr. Member
  • ****
  • Posts: 333
Reply #3 on: Jun 20, 2018
Happy to help


« previous next »
 

Did you know?

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

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

On average, the stomach produces 2 L of hydrochloric acid per day.

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Barenaked Ladies - Lovers in a Dangerous Time Barenaked Ladies - Lovers in a Dangerous Time
Elizabeth Murray, Just in Time. Elizabeth Murray, Just in Time.
Attention and memory are in demand during circle time. Attention and memory are in demand during circle time.
Disitive Time For Nuts Disitive Time For Nuts
Physics: Power, Energy and Time Physics: Power, Energy and Time
Time-of-entry mapping Time-of-entry mapping
Video: The Lac Operon in E. Coli

For a complete list of videos, visit our video library