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Continual Improvement Process by V. Narayana, N. S. Sreenivasan

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CHAPTER 25

Technology Improvement: Application of Design of Experiments

The future belongs to those who believe in the beauty of their dreams

– Eleanor Roosevelt

SYNOPSIS

Design of experiments (DOE) is another important area of application of statistical methodology for planning, executing and analysis of experiments in such a way that it can address pre-determined questions on the effect of certain factors or combination of factors, called interaction on any response. One particular type of DOE called orthogonal array (OA), popularised by Dr. Taguchi, helps to design minimum number of experiments commensurate with the number and type of questions to be answered. A number of examples have been worked out to illustrate the use of OA design. ...

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