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

Author Question: Compute and interpret the sample correlation coefficient. What will be an ideal ... (Read 118 times)

eruditmonkey@yahoo.com

  • Hero Member
  • *****
  • Posts: 546
Compute and interpret the sample correlation coefficient.
 
  What will be an ideal response?

Question 2

The correlation coefficient is:
 
  A) -0.6834
  B) 0.5412
  C) 0.6834
  D) -0.5412



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

SamMuagrove

  • Sr. Member
  • ****
  • Posts: 312
Answer to Question 1

The sample correlation coefficient r = Cov(x, y)/(sx . sy) = - 0.812. This indicates that there is a strong negative linear relationship between the two variables.

Answer to Question 2

D





 

Did you know?

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

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Did you know?

All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

For a complete list of videos, visit our video library