« previous next »

Author Question: What is indicated by a Pearson correlation of r = +1.00 between X and Y? a. Each time X ... (Read 110 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?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Did you know?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

Did you know?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Remedies for insomnia include increased physical exercise and time spent outdoors. Remedies for insomnia include increased physical exercise and time spent outdoors.
Press into points along the neck with your thumb, one side at a time. Apply circular friction to ... Press into points along the neck with your thumb, one side at a time. Apply circular friction to ...
Milankovitch cycles interact over time Milankovitch cycles interact over time
Increased amounts of "screen time" are contributing to decreased amounts of physical ... Increased amounts of "screen time" are contributing to decreased amounts of physical ...
Continental Drift: An Idea Before Its Time Continental Drift: An Idea Before Its Time
Illustrated correlation between the Mendelian postulates of unit factors Illustrated correlation between the Mendelian postulates of unit factors
Video: Coaductile pathway, Timing of contraction signal & Conduction system and ECG

For a complete list of videos, visit our video library