11.27 Refer to Exercise 11.5. Estimate, in a 95% confidence interval, the mean abrasion loss for steel

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11.27 Refer to Exercise 11.5. Estimate, in a 95% confidence interval, the mean abrasion loss for steel specimens with a Rockwell hardness measure of 75. What assumptions are necessary for your answer to be valid?

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Probability And Statistics For Engineers

ISBN: 9781133006909

5th Edition

Authors: Richard L Scheaffer, Madhuri Mulekar, James T McClave, Cecie Starr

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