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Author Question: The z-scores for X and Y variables are exactly the same except they have opposite signs. The ... (Read 79 times)

Yi-Chen

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on: Jun 20, 2018
The z-scores for X and Y variables are exactly the same except they have opposite signs. The coefficient of determination is
 
  a. 0.00.
  b. -1.00.
  c. +1.00.
  d. not possible to compute with this information.

Question 2

The coefficient of determination of an r = -.60 is
 
  a. -.36.
  c. -.77.
  b. +.36.
  d. None of these are true.


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nanny

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

C

Answer to Question 2

B


Yi-Chen

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Reply 2 on: Jun 20, 2018
Wow, this really help

lkanara2

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Reply 3 on: Yesterday
Gracias!

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