Queuing Theory is the study and analysis of waiting lines and uses mathematics to predict queue lengths and waiting times. This is important in the design and operation of many businesses such as theme parks, airports, call centers, and many others. However, you don’t need a degree in operations research to determine average wait times [...]
The National Institute of Standards and Technology (NIST) has spent decades developing and maintaining the most comprehensive, free guide for statistical analysis available. While the intended audience is listed as scientists and engineers, the handbook will be of use to anyone having to conduct statistical analysis. As you can see, the handbook chapters lay [...]
Do you have a problem with an objective to maximize, minimize, or perhaps you want to hit a target value? Is achieving your objective based on the provision of several resources for which there are constraints? Then you have an optimization problem on your hands, which requires mathematical programming. But don’t worry. You most likely [...]
In 2009, the City of Irving, Texas published a video on how they used Six Sigma principles to make their water utility department more efficient. While this video was made years ago, it is worth watching because you hear from the actual workers and their thoughts about Six Sigma and its benefits for their work. [...]
SMED stands for Single Minute Exchange of Dies, and is primarily used for reducing changeover time from one product to another in manufacturing. However, its use is not limited to manufacturing. It can be used in reducing the changeover time in operating rooms and restaurants. In the video linked at the end of this article, [...]
RACI stands for Responsible, Accountable, Consulted, and Informed. The RACI Chart’s purpose is to make sure every task gets performed by the person responsible, and there is an accountable decision maker for that task who will be called out if the task does not get done. Then there are those who must be consulted and [...]
At the outset, it might seem that the Six Sigma, Lean, and Agile methodologies are all quite different from each other. True, they are all powerful techniques to increase process efficiency in industries. However, they are actually connected in ways you might not have realized. While the core idea of the Lean philosophy is to [...]
It's a new beginning for the International Society of Six Sigma Professionals (ISSSP), and you will play a bigger part than ever before. We are relaunching ISSSP as a non-profit organization. We want to focus on improving the Six Sigma and Change Management profession for the better. As a nonprofit, we will be looking for [...]
