Explain why the correlation between x = number of years of education and y = annual income

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Explain why the correlation between x = number of years of education and y = annual income is likely to be smaller if we use a random sample of adults who have a Ph.D. than if we use a random sample of all adults.

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Statistics The Art And Science Of Learning From Data

ISBN: 9780321997838

4th Edition

Authors: Alan Agresti, Christine A. Franklin, Bernhard Klingenberg

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Question Posted: Jul 12, 2018 12:40 PM

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Explain why the correlation between x = number of years of education and y = annual income

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Correlation tends to decrease as the ...View the full answer

Statistics The Art And Science Of Learning From Data

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