ion.
3. Continuous reductions in the variation of product performance is the central feature of a continuous quality improvement program.
4. The loss to an end user resulting from product performance is proportional to the square of the deviations of performance characteristics from target performance for a product.
5. Product quality is primarily a function of product design and production process.
6. Performance variation s may be reduced by addressing the effects of both product design and production process on product performance characteristics.
7. Statistically based experiments may be used effectively to identify product design and production process changes that will lead to a reduction in the variations between performance characteristics and the target characteristics of a product.
In the application of Taguchi methods, societal loss attributable to the level of product quality, loss is stated in monetary units, to assure that both upper level management and production management understand the concept. Thus, loss in the Taguchi context refers to product performance as
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