With the assignment of factors A, B, C, and D to columns 1, 2, 3, and 4,

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With the assignment of factors A, B, C, and D to columns 1, 2, 3, and 4, respectively, of an L9 orthogonal array, the output is as follows for another replication of the nine experiments:

Determine the main effects. Plot the average response curves. What are the optimal settings of the design parameters?

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Fundamentals of quality control and improvement

ISBN: 978-0470226537

3rd edition

Authors: amitava mitra

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Question Posted: Apr 30, 2016 12:50 PM

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With the assignment of factors A, B, C, and D to columns 1, 2, 3, and 4,

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Expeiment Barrels per Day (thousands) 12.2 18.3 13.5 8.3 17.2 7.5 7.9 15.7 14.8

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The experimental design shown in Problem 1246 is used The main effects of each factor ar...View the full answer

Fundamentals of quality control and improvement

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