Measurements of the acidity (pH) of rain samples were recorded at 13 sites in an industrial region.

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Determine a 95% confidence interval for the mean acidity of rain in that region.

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Statistics Principles And Methods

ISBN: 9780470904114

7th Edition

Authors: Richard A. Johnson, Gouri K. Bhattacharyya

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Question Posted: Apr 19, 2016 11:01 AM

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Measurements of the acidity (pH) of rain samples were recorded at 13 sites in an industrial region.

Question:

3.5 5.1 5.0 3.6 4.8 3.6 4.7 4.3 4.2 4.5 4.9 4.7 4.8

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Assume that the acidity measurements are normally distributed A 95 ...View the full answer

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