The percentage of titanium in an alloy used in aerospace castings is measured in 51 randomly selected

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The percentage of titanium in an alloy used in aerospace castings is measured in 51 randomly selected parts. The sample standard deviation is s = 0.37. Construct a 95% two-sided confidence interval for σ.

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Applied Statistics And Probability For Engineers

ISBN: 9781118539712

6th Edition

Authors: Douglas C. Montgomery, George C. Runger

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Question Posted: Apr 03, 2010 12:46 AM

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The percentage of titanium in an alloy used in aerospace castings is measured in 51 randomly selected

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95 confidence interval for o given n 51 s 037 First fi...View the full answer

Applied Statistics And Probability For Engineers

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