Which of the following indicates the range of possible values of ...

[naturalchemist]

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]

Answer to Question 1

1

Answer to Question 2

1