Ken Feldman

If you plot your data on a histogram, the resulting graphic will illustrate how your data is distributed. This distribution can provide a lot of information about your data and the process from which it came from. Let’s learn some more about distributions. Once you have collected your desired data, you can display the data […]

A design of experiments (DOE) is a set of powerful designed experimentation statistical tools for understanding the impact that varying your process inputs will have on the outputs of your process. 

If you understand multiple linear regression, you already know a lot about the General Linear Model (GLM). Let’s learn some more about how and when to use the GLM. 

Directives are an important tool for organizations that seek to align employees with their goals, increase efficiency, and promote a culture of continuous improvement. Understanding Directives: Benefits, Best Practices, and Common Questions Directives are a critical tool for organizations seeking to improve their performance and achieve their goals. By providing clear guidance and expectations, directives […]

If you look at the dashboard of your car, you will see a display of the current real-time status of important metrics. You can do the same thing with your business metrics.

If you stretch a rubber band and let it go, it will snap back to its original position. The same is true of your any process improvements you make. The control plan is intended to help you maintain the gains you have achieved. 

Unfortunately, sometimes your process produces unacceptable output. These are usually referred to as defects or defectives. Let’s examine what a defective item is and contrast it with a defect. The Merriam-Webster dictionary defines a defective as: having a defect or flaw or imperfect in form, structure, or function. Simply put, a defect is a flaw […]

Is quality free, as claimed by quality expert and author Philip Crosby? Or, is there a cost of quality (COQ) that your organization needs to understand and manage? 

When doing hypothesis testing, there is a risk of making two types of errors. One of them is the consumer’s risk, which is when the null hypothesis is rejected when it shouldn’t have been. 

The famed statistician, Dr. W. Edwards Deming, frequently talked about data and said, “Without data, you’re just another person with an opinion.” Let’s learn some more about data. Data refers to any information, facts, or statistics that can be collected, stored, and analyzed. It can be in the form of numbers, text, images, audio, or […]

Would you expect the average of a sample to be the same as the average of the population from which it came? No. Why not? Because of randomness and sampling error. How should we handle that? Let’s find out.

Is there a relationship between wearing your seatbelt and whether or not you survive an auto accident? Is there a relationship between studying and whether you pass an exam? These are the types of questions a Chi-Square Test can answer.

If you look at the dashboard of your car, you will see information related to the car’s performance and the progress of your journey. When you look at your business dashboard, you can see examples of similar information.  

This is what I want! This is what I need! This is how I want it to perform! You need to embark upon a process to take your customers’ qualitative wants and needs and translate them into specific customer requirements. 

No two snowflakes are alike, goes the old saying. Variation is everywhere. But, is some variation predictable and due to the variation in your process, while some is not? Common cause variation is a part of every process. Let’s learn more about it. 

Organizations love to talk in terms of averages. They talk about average sales, average units produced, or the average time to complete an invoice. But, is that adequate? Let’s explore other measures of central tendency and answer that question.

C-level has a vastly different definition than sea level. One refers to the levels of senior management in an organization and the other is a measure of elevation. Let’s explore this in a little more detail. When walking through the halls of your organization’s offices, have you heard someone say, “Hey Chief”? Does that mean […]

Often organizations do a root cause analysis after a problem has occurred. Is there something you can do as a preventive action prior to something happening. Let’s learn more about CAPA. Corrective and Preventive Action (CAPA) is a systematic approach used in various industries, including manufacturing, healthcare, and quality management, to identify and address the […]

Does your organization have a centralized department or function that monitors and tracks the performance of your operations relative to your customers? If you do, let’s see what it might be doing. The term “Customer Operations Performance Center” is not a widely recognized or standardized term, so its exact meaning may vary depending on the […]

Similar to the way a Black Belt denotes a certain competency in martial arts, the Certified Six Sigma Black Belt indicates someone who has demonstrated competence in techniques and principles of Six Sigma.

Is Chaku Chaku a real word or the sound of machines loading and unloading parts? It turns out that Chaku Chaku is Japanese for load load and a system of loading and unloading parts from a machine. Let’s explore this a little deeper.

In the context of Lean Six Sigma, we can talk about bias in the context of measurement and statistics. Minimizing or eliminating bias in your measurement data and statistical analysis should be a goal. Let’s explore the many types, sources, and impact of bias. 

Data collection doesn’t always have to be a complex process. A simple check sheet can allow you to capture relevant data in a graphical format for initial interpretation of your process or for in-depth analysis later.

Will being a Black Belt help you beat up your competition? In a way, yes. A skilled and experienced Lean Six Sigma Black Belt will help your organization improve all you do. Let’s see how.