Author Question: The covariance will always a. be a positive number. b. be larger than the variance. c. reflect ... (Read 101 times)

dmcintosh

  • Hero Member
  • *****
  • Posts: 517
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
Answer to Question 1

C

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

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?

Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

For a complete list of videos, visit our video library