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Author Question: Which of the following statements regarding the correlation is not true? a.For any two random ... (Read 39 times)

Lisaclaire

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on: Jun 24, 2018

  Which of the following statements regarding the correlation is not true?
 

  a.For any two random variables, X and Y,
  b.The correlation coefficient is equal to the covariance.
  c. does not imply independence.
  d. or if there is s perfect linear prediction in the population.

Question 2


  Which of the following is the correct formula for the standard deviation of a discrete random variable X?
 

  a.
  b.
  c.
  d.


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b614102004

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

correct: b

Answer to Question 2

correct: b


Lisaclaire

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  • Posts: 569
Reply 2 on: Jun 24, 2018
Gracias!

ecabral0

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Reply 3 on: Yesterday
:D TYSM

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