To select a signal-to-noise ratio
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1    Choose Stat > DOE > Taguchi > Analyze Taguchi Design > Options.

2    Under Signal-to-Noise Ratio, choose the S/N ratio that best fits the goals of the design. Choose from one of the following:

·    Larger is better

·    Nominal is best

·    Nominal is best

·    Smaller is better

3    Click OK.