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Key elements of six sigma methodology
Six Sigma was developed in the 1980's by Motorola, and what makes Six Sigma stand out from other quality management tools is how it defines quality. With Six Sigma, quality is defined based on the customer's definition of quality. It is also based on how the customer views the value of the products and processes. The main goal of Six Sigma is to improve customer satisfaction for your company. Six Sigma does this by improving your company's processes, products, and services. Six Sigma improves these things by finding, analyzing, reducing, and eliminating all of the defects and variations in your company's processes. In the end, Six Sigma improves your profitability because it increases your customer satisfaction and decreases the number of defects.
Six Sigma is based on an approach called statistical thinking, which is an approach that views businesses statistically. This approach follows three simple rules:
These three rules are considered the foundation of Six Sigma. On top of this foundation a framework is built, which is the methodology that is used by Six Sigma. The framework that is used by Six Sigma to improve your business's process is called DMAIC, which stands for:
It is the first step in this method that allows Six Sigma to stand out from other quality management approaches. The reason for this is that when you are going through the define process you are going to take the actual process and break it down into subgroups and subprocesses, which is going to allow you to take a closer look at your processes compared to the other approaches. Once you have broken the processes down into the various subgroups you are going to need to define the goals that are going to be met by each subprocess. After accomplishing that, you are going to need to establish an infrastructure that will enable you to reach those goals. The first step in this method is the most complicated and involved step, once you have completed that the next steps are brought in so that the processes denied, and their defects, can be handled in a way that will allow you to reach the goals that you have set for your business.
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