Showcase Your Reliability Accomplishments Well When a reliability engineer or manager does their job well, the product just works as expected. Maybe even a little better than expected. There isn’t any major problems that need a hero to resolve. Work done well, may go unnoticed. To avoid that you need to master the art of…

Stratification: A Basic Quality Tool Stratification implies layers or differences. A quick test for soil composition is to place a sample of soil with water in a clear jar and give it a shake. The sand, silt and loam will settle at different rates and create a layered appearance within the jar over time. The…

Creating a Histogram A histogram is a graphical representation of a set of data. It is useful to visually inspect data for its range, distribution, location, scale, skewness, etc. There are many uses for histogram, there you should know how to create one. Let’s explore a set of data and create default histograms…

In the situation where you have a sample and would like to know if the population represented by the sample has a mean different than some specification, then this is the test for you. In this case, you do not know the actual variance of the population, you just…

The essence of creating a reliable product involves making informed decisions. Informed related to the implications of the various options on reliability performance. Yet, these decisions, made nearly every day during the early stages of a product’s lifecycle are fraught with uncertainty. There is an approach that instead of…

Tips for Better Online Learning One of the key ideas behind the ASQ CRE certification is the need to learn enough to pass the exam. Then you are expected to continue to learn to maintain your certification. It is the key idea of ongoing professional development that central to the CRE program, and many other…

The Culture of Design for Reliability The way we think and act concerning creating a reliable product or system defines the reliability culture of an origination. I trust your organization doesn’t complete the design then ask the reliability folks to ‘add the reliability element’ or ‘test to prove it’s reliable enough’. Another ineffective approach is to…

How One Person Can Change the Reliability Culture Nicholas W. Eyrich, Robert E. Quinn, and David P. Fessell published in the Harvard Business Review an article titled “How One Person Can Change the Conscience of an Organization”, dated December 27, 2019. In the article, they discuss how corporate transformations, while assumed to occur from the top-down, actually it…

Building a Basic Box Plot One of the first things to do when faced with a set of numbers is to plot them. A histogram is often the first choice, maybe a dot plot. Up your data plotting skills and let your data provide a bit more information by using a box plot. An Example Box Plot Here’s some…