An engineer was asked to determine whether the average air quality in a vehicle assembly plant was

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An engineer was asked to determine whether the average air quality in a vehicle assembly plant was within OSHA guidelines. The following air quality readings were collected:

81, 86, 80, 91, 83, 83, 96, 85, 89

(a) Determine the sample mean.

(b) Calculate the standard deviation.

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Engineering economy

ISBN: 978-0073376301

7th Edition

Authors: Leland Blank, Anthony Tarquin

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Question Posted: Dec 17, 2012 06:39 AM

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An engineer was asked to determine whether the average air quality in a vehicle assembly plant was

Question:

Step by Step Answer:

a X 81 86 80 91 83 83 96 85 899 86 b c Range for 1s i...View the full answer

Engineering economy

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