In July 2014, midway through his second term as president, Gallup estimated Obamas approval rate at 42%.

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In July 2014, midway through his second term as president, Gallup estimated Obama’s approval rate at 42%. According to gallup.com, “. . . Results are based on telephone interviews with approximately 1,500 national adults; margin of error is ±3 percentage points.” How could you explain the meaning of this to someone who has not taken a statistics course?

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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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