« previous next »

Author Question: The covariance will always a. be a positive number. b. be larger than the variance. c. reflect ... (Read 103 times)

dmcintosh

  • Hero Member
  • *****
  • Posts: 517
on: Jun 20, 2018
The covariance will always
 
  a. be a positive number.
  b. be larger than the variance.
  c. reflect the direction of the relationship.
  d. be less than 1.0.

Question 2

We can often use a Pearson correlation even when a relationship is curvilinear. This is because
 
  a. a straight line will often fit the data remarkably well.
  b. you can always calculate a correlation with any set of data.
  c. the correlation coefficient doesn't care if the relationship is curvilinear.
  d. there is no alternative.


SVictor

  • Sr. Member
  • ****
  • Posts: 365
Reply #1 on: Jun 20, 2018
Answer to Question 1

C

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

dmcintosh

  • Hero Member
  • *****
  • Posts: 517
Reply #2 on: Jun 20, 2018
Thank you!


SVictor

  • Sr. Member
  • ****
  • Posts: 365
Reply #3 on: Jun 20, 2018
Happy to help


« previous next »
 

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

Positive ring precipitin test. Positive ring precipitin test.
Mammoths – Larger Cenozoic Mammals Mammoths – Larger Cenozoic Mammals
Number Facts Number Facts
Estimated number of new HIV infections per year over time period in Canada Estimated number of new HIV infections per year over time period in Canada
The minimum number of moles of oxygen needed to completely consume 4 moles of C3H8O is ... The minimum number of moles of oxygen needed to completely consume 4 moles of C3H8O is ...
Plot showing the number of genes on each human chromosome Plot showing the number of genes on each human chromosome
Video: Mechanics of Sound Animation

For a complete list of videos, visit our video library