Author Question: The covariance will always a. be a positive number. b. be larger than the variance. c. reflect ... (Read 64 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?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Did you know?

The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

For a complete list of videos, visit our video library