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Author Question: Which of the following will equal zero if two random variables, say X and Y, are independent? ... (Read 119 times)

Mollykgkg

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on: Jul 24, 2018

  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
 
 



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zenzy

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Reply #1 on: Jul 24, 2018
Answer to Question 1

correct: c

Answer to Question 2

correct: a


Mollykgkg

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Reply 2 on: Jul 24, 2018
Wow, this really help

cam1229

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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