If the correlation coefficient exists, show that satisfies the inequality 1 1.

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If the correlation coefficient ρ exists, show that ρ satisfies the inequality −1 ≤ ρ ≤ 1.
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Probability and Statistical Inference

ISBN: 978-0321923271

9th edition

Authors: Robert V. Hogg, Elliot Tanis, Dale Zimmerman

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