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QUESTION
A Pearson correlation of r = +1.00 between X and Y indicates _____.
A Pearson correlation of r = +1.00 between X and Y indicates _____.
Answer
- each time X increases, there is a perfectly predictable increase in Y
- every change in X causes a change in Y
- every increase in X causes an increase in Y
- All of the other 3 choices occur with a correlation of +1.00.
