Why are outliers sometimes called influential observations? What could happen to the slope of a regression of

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Why are outliers sometimes called influential observations? What could happen to the slope of a regression of Y versus a single X when an outlier is included versus when it is not included? Will this necessarily happen when a point is an outlier? Answer by giving a couple of examples.

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Business Analytics Data Analysis and Decision Making

ISBN: 978-1305947542

6th edition

Authors: S. Christian Albright, Wayne L. Winston

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