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 [...]
Lean and Six Sigma projects are implemented to solve a problem. Much has been written about asking the right questions to solve a problem, including the 5 Whys. We look in more detail beyond the 5 Whys at asking the right questions by hearing from several experts. Questions the Most Important Tool In a post [...]
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 [...]
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 [...]
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 [...]
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 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 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 [...]
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 [...]
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. [...]
