If two variables were perfectly correlated, what would the coefficient of correlation r equal?
A) 0
B) -1
C) 1
D) B or C
E) none of these

Name: If two variables were perfectly correlated, what would the coefficient of correlation r equal? A) 0 B) -1 C) 1 D) B or C E) none of these
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Question

Quizplus · Accepted Answer

When two variables are perfectly correlated, the coefficient of correlation $r$ can be either $1$ or $-1$. A value of $1$ indicates a perfect positive correlation, while $-1$ indicates a perfect negative correlation.

If Two Variables Were Perfectly Correlated, What Would the Coefficient