In a mechanical testing lab, Plexiglass strips are stretched to failure. Let X equal the change in
Question:
(a) Define the test statistic and a critical region that has a significance level of α = 0.05. Sketch a figure showing this critical region.
(b) A random sample of eight observations of X yielded the following data:
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Calculate the value of the test statistic and state your conclusion clearly.
(c) Give the approximate value of or bounds for the p-value of this test.
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a The test statistic and critical region are given by t 570s8 1895 b ...View the full answer
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Related Book For 
Probability and Statistical Inference
ISBN: 978-0321923271
9th edition
Authors: Robert V. Hogg, Elliot Tanis, Dale Zimmerman
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