Japan's Genichi Taguchi argued that any variation within the specification limits is equally good in terms of quality and long-run cost.

Question

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Genichi Taguchi's philosophy is based on the idea that reducing variation is essential to improve quality and reduce long-run costs. He advocated for a focus on reducing variation beyond just the specification limits, which is known as the "Taguchi loss function". Therefore, any variation within the specification limits is not considered equally good in terms of quality and long-run cost according to Taguchi's approach.

Japan's Genichi Taguchi Argued That Any Variation Within the Specification