« previous next »

Author Question: The covariance will always a. be a positive number. b. be larger than the variance. c. reflect ... (Read 65 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?

Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

Thyroid conditions may make getting pregnant impossible.

Did you know?

The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Some mangrove islands in the Florida Keys, which number in the thousands, are convenient places to t Some mangrove islands in the Florida Keys, which number in the thousands, are convenient places to t
Nonverbal communications convey strong, powerful messages that may be negative or positive. Nonverbal communications convey strong, powerful messages that may be negative or positive.
A positive feedback loop. A positive feedback loop.
Positive and Negative Stereotypes Positive and Negative Stereotypes
How to write any number in scientific notation How to write any number in scientific notation
A company spends $117 500 today and has positive cash inflows of $34 000 for each of the next 6 ... A company spends $117 500 today and has positive cash inflows of $34 000 for each of the next 6 ...
Video: Fetal development - Weeks 9 to 38

For a complete list of videos, visit our video library