Set up a 4 III 74 design using D = AB, E = AC, F = BC,

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Set up a 4III7–4 design using D = AB, E = AC, F = BC, and G = ABC as the design generators. Ignore all interactions above two factors.

(a) Verify that each main effect is aliased with three two-factor interactions.

(b) Suppose that a second 4III7–4 design with generators D = –AB, E = –AC, F = –BC, and G = ABC is run. What are the aliases of the main effects in this design?

(c) What factors may be estimated if the two sets of factor effect estimates above are combined?

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Applied Statistics And Probability For Engineers

ISBN: 9781118539712

6th Edition

Authors: Douglas C. Montgomery, George C. Runger

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