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Author Question: Which of the following indicates the range of possible values of the coefficient of determination, ... (Read 58 times)

naturalchemist

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on: Jul 24, 2018
Which of the following indicates the range of possible values of the coefficient of determination, r2?
  1.0  r2  1
  2.0 < r2
  3.-1  r2  1
  4.-1 < r2 < 1
  5.-1 < r2 < 0

Question 2

Of the following, which is true of Pearsons correlation coefficient, r?
 
1. The value of r does not depend
   on the units of y and x.

 
2. r = 0 indicates a perfect
   correlation between x and y.

 
3. r cannot be less than 0 or greater
   than 1.

 
4. The value of r depends on which
   of two variables is labeled x.

  5. is greater than 1.0 unless the points on a scatterplot line up exactly.


aruss1303

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

1

Answer to Question 2

1


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