Use a d-optimal algorithm to find a design

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In the 33 factorial design of Problem 12.12 one of the responses is a standard deviation. Use the Box-Cox method to investigate the usefulness of transformations for this response. Would your answer change if we used the variance as the response?

Problem 12.12:

Suppose that there are four controllable variables and two noise variables. It is necessary to estimate the main effects and two-factor interactions of all of the controllable variables, the main effects of the noise variables, and the twofactor interactions between all controllable and noise factors. If all factors are at two levels, what is the minimum number of runs that can be used to estimate all of the model parameters using a combined array design? Use a D-optimal algorithm to find a design.

Reference no: EM131252955

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