The choice of which statistical test to use is often determined in part by whether the data is continuous or discrete. Our Green Belt course includes an exercise where students are asked to convert continuous data into discrete categories. For example, time to complete a transaction is continuous data. Discrete categories for delivering a package […]
People learn better by doing than by listening, and they learn better when they are held accountable to immediately use what they have learned. To illustrate this point in the classroom I discuss pilot training (I am an instrument rated private pilot). I have a book that I take to the classroom which is the […]
In our Yellow Belt course, students discuss a situation where improper selection of a sample from a larger population resulted in problems with the data that was collected, and how these problems might have been prevented. Students often misunderstand the issues involved in randomly selecting a sample that is representative of a population. Here is […]
Our Yellow Belt course includes an assignment that challenges students to think about improving the processes that serve their customers. One of my Yellow Belt students works for a non-profit foundation that raises funds that are used for providing scholarships to students and grants to educators. She recently submitted the following statement: “My organization’s customers […]