Explain why the slope b of the least-squares line always has the same sign (positive or negative)

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Explain why the slope b of the least-squares line always has the same sign (positive or negative) as does the sample correlation coefficient.

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Statistics The Exploration & Analysis Of Data

ISBN: 9780840058010

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Authors: Roxy Peck, Jay L. Devore

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Question Posted: Sep 19, 2015 04:03 AM

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Explain why the slope b of the least-squares line always has the same sign (positive or negative)

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