This topic contains a solution. Click here to go to the answer

Author Question: Which of the following statements is true about the correlation coefficient and covariance? A) ... (Read 82 times)

nenivikky

  • Hero Member
  • *****
  • Posts: 516
Which of the following statements is true about the correlation coefficient and covariance?
 
  A) The covariance is the preferred measure of the relationship between two variables since it is generally larger than the correlation coefficient.
  B) The correlation coefficient is a preferred measure of the relationship between two variables since its calculation is easier than the covariance.
  C) The covariance is a standardized measure of the linear relationship between two variables.
  D) The covariance and corresponding correlation coefficient are represented by different signs, one is negative while the other is positive and vice versa.

Question 2

Given a set of 25 observations, for what value of the correlation coefficient would we be able to say that there is evidence that a relationship exists between the two variables?
 
  A)  0.40
  B)  0.35
  C)  0.30
  D)  0.25



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

cuttiesgirl16

  • Sr. Member
  • ****
  • Posts: 345
Answer to Question 1

C

Answer to Question 2

A




nenivikky

  • Member
  • Posts: 516
Reply 2 on: Jun 24, 2018
Thanks for the timely response, appreciate it


Viet Thy

  • Member
  • Posts: 329
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

Though “Krazy Glue” or “Super Glue” has the ability to seal small wounds, it is not recommended for this purpose since it contains many substances that should not enter the body through the skin, and may be harmful.

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

Did you know?

Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

For a complete list of videos, visit our video library