From the data on the pH of rain in Ingham County, Michigan: Find a two-sided 95% confidence

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 From the data on the pH of rain in Ingham County, Michigan:

5.47 5.37 5.38 4.63 5.37 3.74 3.71 4.96 4.64 5.11 5.65 5.39 4.16 5.62 4.57 4.64 5.48 4.57 4.57 4.51 4.86 4.56 4.61 4.32

Find a two-sided 95% confidence interval for the standard deviation of pH.

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Related Book For  book-img-for-question

Applied Statistics And Probability For Engineers

ISBN: 9781118539712

6th Edition

Authors: Douglas C. Montgomery, George C. Runger

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