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 94 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?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

For a complete list of videos, visit our video library