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A heat transfer process designed to cool a large electric motor must maintain temperature as steady ...

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A heat transfer process designed to cool a large electric motor must maintain temperature as steady ...

A heat transfer process designed to cool a large electric motor must maintain temperature as steady as possible. A sample of 10 temperature measurements of cooling effluent from the process yields a standard deviation of 0.63°C. Assuming the underlying distribution is normal, what is a 90% confidence interval for the process standard deviation?

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(0.579, 1.306)

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(0.211, 1.074)

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(0.459, 1.036)

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(0.433, 1.150)

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Introductory Statistics: A Problem-Solving Approach

Edition: 3^rd

Author: Kokoska

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