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

Author Question: Which of the following will equal zero if two random variables, say X and Y, are independent? ... (Read 115 times)

Mollykgkg

  • Hero Member
  • *****
  • Posts: 529

  Which of the following will equal zero if two random variables, say X and Y, are independent?
 

  a.Covariance
  b.Correlation
  c.Correlation and Covariance.
 

d.Variance
 
 



Question 2


  What should the value for the covariance between two random variables be if the variables are not strongly related?
 

  a.near zero
  b.Negative
  c.Positive
 

d.near one
 
 




Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

zenzy

  • Sr. Member
  • ****
  • Posts: 336
Answer to Question 1

correct: c

Answer to Question 2

correct: a




Mollykgkg

  • Member
  • Posts: 529
Reply 2 on: Jul 24, 2018
:D TYSM


ecabral0

  • Member
  • Posts: 310
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

The average adult has about 21 square feet of skin.

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

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.

For a complete list of videos, visit our video library