The diameters of aluminum alloy rods produced on an extrusion machine are known to have a standard
Question:
(a) Test the hypothesis that mean rod diameter is 0.5025 in. Assume a two-sided alternative and use = 0.05.
(b) Find the P-value for this test.
(c) Construct a 95% two-sided confidence interval on the mean rod diameter.
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a x N m s m 0 0 5 0 2 5 a 0 05 T e s t H 0 m 05 0 25 v s H 1 m 0 5 0 ...View the full answer
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Related Book For
Introduction to Statistical Quality Control
ISBN: 978-1118146811
7th edition
Authors: Douglas C Montgomery
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