Multiple Choice
Suppose that the correlation coefficient between X1 and X2 is equal to -1. This means that
A) X1 and X2 are perfectly positively correlated
B) X1 and X2 are perfectly negatively correlated
C) X1 and X2 are weakly and positively correlated
D) X1 and X2 are weakly and negatively correlated
Correct Answer:

Verified
Correct Answer:
Verified
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