Multiple Choice
Suppose you compute the correlation coefficient between two variables, X and Y, and obtain a value of 0.55.Then you realize that all the values for both variables have been corrupted in a way that their actual sign has been changed (positive values were turned into negative values and vice versa; only the signs have been changed) .Then the actual, corrected value of the correlation coefficient ______.
A) is −0.55
B) remains unchanged
C) changes but there is not enough information to determine the correct value
D) is 0
E) is 0.50
Correct Answer:

Verified
Correct Answer:
Verified
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