what is six sigma?
Six Sigma is a combination of statistics and philosophy of quality. "Six Sigma starts with the premise that you can't improve what you don't measure, and it provides statistical tools to help do that. The ultimate goal of Six Sigma is to improve our performance and our product yield by reducing the number of defects inherent in the processes and the materials used to produce them." (GE Fanuc Automation, NA). "For our customers, Six Sigma means getting them what they want, when they want it, on time, undamaged and working - the five "critical to quality" factors, or CTQs, that have been identified in the early stages of our efforts." (GE Fanuc Automation, NA). "Six Sigma is a statistical term that means "six standard deviations from a statistical performance average." (Kotler et al. 244). Six Sigma is used to reduce waste, defects, cycle time, and most of all, costs. It is also used to improve quality, productivity, employee morale, and profits. (Brecker-Six Sigma). "Six Sigma is an extension of the Total Quality improvement process. It encompasses the core values and concepts of the Malcolm Baldrige Total Quality Awards." (Brecker-Six Sigma). Therefor Six Sigma consists of customer driven q
Six Sigma measures the quantity of products that are produced without defects. "A good company operates at less than four sigma, or 99% perfect. That might not seem much worse than Six Sigma. But think of the saving for an automaker that has to repair 6,210 cars for every 1 million it made at four sigma, but at Six Sigma it would repair 3.4." (Quality Today). "A process with "Six Sigma" capability means having twelve standard deviations between the upper and lower specification limits." (Juran Institute). "Six Sigma provides companies with a series of interventions and statistical tools that lead to breakthrough profitability and quantum gains in quality, whether a company's products are durable goods or services." (Juran Institute). Quality Today. 21 July 1998. Firms aim for six sigma efficiency. 11 April 2000. "Transactional business process projects are an improvement of a transactional business process that extends across an organization. Traditional quality improvement projects are aimed at solving chronic problems crossing multiple functions of an organization. The design for Six Sigma project is a project aimed at incorporating the voice of the customer and Six Sigma level targets into the design of products, services or processes." (Juran Institute). "In addition to the material and labor saving which flow directly to the bottom line, a company engaged in Six Sigma can expect to see: improved customer satisfaction, reduced cycle times, increased productivity, improved capacity and output, reduction in total defects, increased product reliability, decreased work-in-progress (WIP), and improved process flow." (Six Sigma Academy). Black belts have the ability to understand Six Sigma philosophy, theory, strategy, tactics, and quality management tools. They also have the ability to coach, develop, and lead cross-functional process improvement tools. Black belts can also mentor and advise management that are planning and launching projects. They also guide, teach, and lead the green belts throughout their challenges and changes. (Juran Institute). "A black belt is a Six Sigma implementation expert. Each p
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