Ten samples of coal from a Northern Appalachian source had an average mercury content of 0.242 ppm

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Ten samples of coal from a Northern Appalachian source had an average mercury content of 0.242 ppm with a standard deviation of 0.031 ppm. Find a 95% confidence for the mean mercury content of coal from this source.

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Statistics For Engineers And Scientists

ISBN: 9780073401331

4th Edition

Authors: William Navidi

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Question Posted: Nov 16, 2018 06:48 AM

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Ten samples of coal from a Northern Appalachian source had an average mercury content of 0.242 ppm

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Statistics For Engineers And Scientists

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