A quantitative data set has size 80. At least how many observations lie within two standard deviations

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A quantitative data set has size 80. At least how many observations lie within two standard deviations to either side of the mean? Apply Chebyshev's rule to solve.

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Introductory Statistics

ISBN: 9780321989178

10th Edition

Authors: Neil A. Weiss

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Question Posted: Jun 17, 2017 08:44 AM

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A quantitative data set has size 80. At least how many observations lie within two standard deviations

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