Fractional factorial design with generators

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Reference no: EM131831261

An experimenter performs a 2^5-2 fractional factorial design with generators I = 1234 and I = 135. After analyzing the results from this design he decides to perform a second 25·-2 design exactly the same as the .first but with signs changed in column 3 of the design matrix.

(a) How many runs does the first design contain?

(b) Give a set of generators for the second design

(d) What is the defining relation of the combined design?

(e) What is the resolution of the combined design?

(f) Give a good reason for the unique choice of the second design.

Reference no: EM131831261

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