Use six Sigma technique to configure the plate ratio of defective units for quality control and compare them with plate ratio of defective units using three Sigma with the application

Abstract

This study was construction Proportion of defective -chart based on SixSigma and comparison with Proportion of defective -chart based on three-Sigma. The study concluded that the Proportion of defective -chart based on sixSigma has better property than Proportion of defective -chart based on threeSigma, because Proportion of defective -chart based on six-Sigma have the smallest control interval, The quality control charts has been drawn by using program (Statgraphics).