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If r denotes the correlation coefficient between two variables, which of the following ...

If r denotes the correlation coefficient between two variables, which of the following is always true?
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  • A \(0 < r \leq 1\)
  • B \(-1 \leq r < 1\)
  • C \(-1 < r \leq 0\)
  • D \(-1 \leq r \leq 1\)
Correct Answer: Option D
Explanation:

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