Author Question: Refer to Exhibit 13-3. Which coefficient of correlation is least significant? a. r = +.80 N = 80 ... (Read 80 times)

go.lag

  • Hero Member
  • *****
  • Posts: 667
Refer to Exhibit 13-3. Which coefficient of correlation is least significant?
 
  a. r = +.80 N = 80
  c. r = -32 N = 40
  b. r = +.32 N = 300
  d. r = -.87 N = 80

Question 2

The prediction of Y from Variable X would be least accurate when the correlation between X and Y is
 
  a. 75.
  b. .95.
  c. .99.
  d. .80.
  e. 1.00.



choc0chan

  • Sr. Member
  • ****
  • Posts: 362
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?

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.

Did you know?

Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

Did you know?

In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

For a complete list of videos, visit our video library