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Author Question: Which of the following is a property of r, the coefficient of correlation? a. r always lies between ... (Read 56 times)

plus1

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on: Jun 24, 2018
Which of the following is a property of r, the coefficient of correlation?
 a. r always lies between 0 and 1.
  b. r has no units.
  c. If you switch the values of X and Y, the sign of r changes.
  d. All of these choices are true.

Question 2

A perfect straight line sloping downward would produce a correlation coefficient equal to:
 a. +1.0
  b. -1.0
  c. 0.0
  d. Cannot tell from the information given.


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Chou

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

B

Answer to Question 2

B


plus1

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Reply 2 on: Jun 24, 2018
Thanks for the timely response, appreciate it

gcook

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Reply 3 on: Yesterday
Excellent

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