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Coefficient of Variation as a Response: Not Always

The coefficient of variation (CoV) is defined as the ratio of the standard deviation to the mean. It measures the extent of variability in relation to the mean and has been recommended to be used as a metric in many applications. However, in some instances, it may be a misleading measure. We discuss that here [...]

2021-10-18T07:45:31-06:00By |Tags: |0 Comments

Lean and Six Sigma in Blood Services

The process of giving blood, separating it into its vital components, and storing and shipping it are all processes that lend themselves to improvement through Lean and Six Sigma methodologies. We’ll take a look at Lean and Six Sigma in transfusion services, blood bank management, and blood donor flow. Finally, we include a short video [...]

LSS in the Publishing and Printing Industries

Printing and publishing are the result of a production process. As a result, Lean and Six Sigma are appropriate methodologies to achieve improvement. We’ll look at a Malaysian case study of applying Lean and Six Sigma in printing. Then we’ll finish with two more general articles: one on Lean Six Sigma generic project definitions in [...]

Lean and Six Sigma in the Textile Industry

Textiles are manufactured through a production process. As such, Lean and Six Sigma methodologies are candidates for process improvement. We’ll introduce six textile case studies from around the world that used Six Sigma and Lean. Tunisia: Six Sigma and PDCA Egypt: Lean Six Sigma India: Lean Six Sigma Jordan: Six Sigma Thailand: Six Sigma Ecuador: Lean [...]

LSS in the Solid Waste Industry

Treating and disposing of solid waste is an age-old problem. How can Lean Six Sigma help? We’ll answer by exploring several cases:  Reducing waste collection accidents  Improving infectious waste disposal  Reducing trash pickup costs Reducing solid waste transfer costs  Improving aluminum can recycling rates Reducing Waste Collection Accidents: Jakarta Accidents can occur during solid waste [...]

Why Require Projects for Green/Black Belt Certification?

Why should a project be required for Green Belt or Black Belt certification? The short answer is because a project demonstrates that the Belt can deliver true organizational impact based on their training. While exams assess the trainee’s grasp of a body of knowledge typically through multiple choice and/or true-false questions, only a real world [...]

Continuous Improvement in the Agriculture Business

Continuous improvement in the agriculture business takes many forms. We’ll explore how Lean Six Sigma is being applied in two case studies: one from Brazil and one from Indonesia. We’ll finish with two videos of how continuous improvement is being implemented in Australia in the grain business and in India in coconut palm farming. Lean [...]

Lean Six Sigma in Laundry and Dry Cleaning

Production processes are a major part of laundry and dry cleaning. As a result, Lean and Six Sigma applications can lead to major improvements. We’ll explore the application of Lean and Six Sigma by looking at three cases:  implementation in two hospital laundry systems, and in a dry cleaning plant. Linen Loss Reduction In an [...]

Continuous Improvement in Theme and Amusement Parks

Theme and amusement parks provide entertainment for people in many countries all over the world*. How is continuous improvement being addressed in these parks? We’ll answer the question by first looking at how Lean was applied in a safari park and then at a master’s thesis focused on providing a framework for continuous improvement initiatives. [...]

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