“…If we compare the contribution of Six Sigma from various sources [1][2][3][4][5][6]9,[22][23][24][25], it is clear that deployment of this methodology in companies brings increased performance, increased productivity, increased competitiveness, and growth in market share, whilst retaining loyal customers and obtaining new, decreased production costs by decreasing the proportion of costs for repairs and disposal of non-conforming products, new product designs, and, growth in the qualifications and professional level of employees. The study by Aldowiasan, focusing on Six Sigma performance for non-normal processes, showed that less variation reduction was required to improve exponentially distributed processes [26].…”