Question: Consider a 24 factorial experiment. Set up a table of the coefficients for orthogonal contrasts similar to Table 12-25. Write down the contrasts for estimating

Consider a 24 factorial experiment. Set up a table of the coefficients for orthogonal contrasts similar to Table 12-25. Write down the contrasts for estimating the main effects and the two-factor interactions. If the four-way interaction effect ABCD is not significant, use that as a basis to confound the design into two blocks.

Treatment Contrast abc AB BC ABC

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