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Data for tyre life was recorded and the results of 20 sample standard deviation were 3645.94 km. (a) Conclude using a = 0.05, that
Data for tyre life was recorded and the results of 20 sample standard deviation were 3645.94 km. (a) Conclude using a = 0.05, that the standard deviation of tyre life is less than 4000 km? Find P-value for this test? (b) Explain how you could answer the question in part (a) by constructing a 95% one- sided confidence interval for o.
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Materials Science and Engineering An Introduction
Authors: William D. Callister Jr., David G. Rethwisch
8th edition
470419970, 978-0470419977
