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Author Question: If high scores on X are paired with low scores on Y, the covariance is going to be a. positive. ... (Read 65 times)

javeds

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on: Jun 20, 2018
If high scores on X are paired with low scores on Y, the covariance is going to be
 
  a. positive.
  b. negative.
  c. zero.
  d. There is no way to tell.

Question 2

For a given set of data the covariance between X and Y is .80. The standard deviation of X is 2.0, and the standard deviation of Y is 3.0. The resulting correlation is closest to
 
  a. .00
  b. .15
  c. .80
  d. -.30


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deja

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Reply #1 on: Jun 20, 2018
Answer to Question 1

B

Answer to Question 2

B


javeds

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  • Posts: 570
Reply 2 on: Jun 20, 2018
Excellent

deja

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  • Posts: 332
Reply 3 on: Yesterday
Gracias!

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