Welcome to Mike Harris’ Testing and Quality Blog
The origins of Quality Engineering lie in the prevention of product failures in Japan.
The origins of Quality Engineering are attributed to the work of Genichi Taguchi, stemming from his response to product failures he experienced while working for Nippon Telegraph and Telephone Public Corporation (NTT)[1]. This happened at a time when Japan was rebuilding its economy by improving quality. In 1950, Taguchi began working at NTT’s Telephone Laboratory[2].…
Improve quality by learning from your process data – a review of “Twenty Things You Need to Know” by Donald J. Wheeler
Donald Wheeler has over forty years of experience in the study, practice and collaboration in data analysis. In “Twenty Things You Need to Know”, he shares this experience in the form of questions and answers. What are two mistakes in data analysis? Mistake one: “Interpreting the routine variation of noise as if it amounted to…
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