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This is a very difficult question to answer. Many professionals and practitioners have opinions about the status of the six sigma methodology. For example, five years ago, there were consultants who thought that the life cycle of six sigma would be about 10 years. There are other consultants who claim that six sigma is going to be here for good, but will be constantly adapting. Regardless of the long-term outcome, the systematic approach of the six sigma methodology can indeed produce results. The fact that upper management has embraced it shows that commitment, at least for now, is strong and, therefore, it offers the possibility of longevity.
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