More repairs: A sample of six records for repairs of a component showed the following costs: 93

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More repairs: A sample of six records for repairs of a component showed the following costs:

93 97 27 79 81 87

a. Construct a 90% confidence interval for the mean cost of a repair for this type of component.

b. Is there any evidence to suggest that this confidence interval may not be reliable? Explain.

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Elementary Statistics

ISBN: 9781264136407

4th Edition

Authors: William Navidi , Barry Monk

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Question Posted: Jul 18, 2024 07:09 AM

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More repairs: A sample of six records for repairs of a component showed the following costs: 93

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Elementary Statistics

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