Construct a design that contains nine design points, is orthogonal, contains 12 total runs, 3 degrees of

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Construct a design that contains nine design points, is orthogonal, contains 12 total runs, 3 degrees of freedom for replication error, and allows for a lack of fit test for pure quadratic curvature.
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Probability & Statistics For Engineers & Scientists

ISBN: 9780130415295

7th Edition

Authors: Ronald E. Walpole, Raymond H. Myers, Sharon L. Myers, Keying

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