Ken Feldman

When talking about an alias, alias structure or aliasing, you are talking about Design of Experiments (DOE). More specifically, you are referring to the confounding of effects in a fractional factorial experiment. Aliasing occurs when the estimate of a factor effect  is difficult to distinguish because of the impact of other factors in your experiment. […]

An underlying assumption for the use of many statistical tools is that your data is normally distributed. But, how do you know? The A-square calculation for the Anderson Darling Normality Test will tell you.

To optimize the benefit of your forecasting, you would like your time series values to be independent. Unfortunately, sometimes your values are correlated. This autocorrelation will have an impact on your ability to interpret what the data is telling you. Autocorrelation refers to the correlation between a time series variable and its own lagged values […]

At the gun range, your goal is to hit the target. Accuracy will be measured by how close you come to that target. The same is true of your process.  

The bad news is that you have problems to solve. The good news is that there are a number of simple, yet powerful tools that can help you. The 8D process is one of them.

You will often see attribute data and discrete data being used interchangeably. At some level, they are similar. But, if we dive a little deeper, you’ll see that there’s a bit more distinction than meets the eye.

While you may be familiar with Lean Six Sigma as a methodology for improving your processes, have you heard of the Business Process Management System (BPMS)? If not, this article will provide lots of information on what it is and how to use it. Business Process Management System (BPMS) Business Process Management System (BPMS) is […]

Why do you weigh yourself before you start your diet? You probably want to get a starting point or baseline to help measure your progress so you know whether the diet is working or you have reached your goal. 

A buffer can be simply defined as something that serves as a protective barrier. Let’s see how this might apply in the context of technology and computing as well as manufacturing. In the context of technology and computing, a buffer is a temporary storage area that holds data while it is being transferred from one […]

How much improvement do you expect from your projects? Is 5% ok? How about 15%? Breakthrough improvement will be 70% or more. Let’s see how breakthrough improvement works. 

5C is the formal activity of organizing the workplace, and it serves as the foundation of any continuous improvement effort. Explore the 5C framework, and learn how to implement it in your organization.

You are probably familiar with the term 5S in the context of Lean Six Sigma. But, what about the term 5Z. Let’s learn a little more about what that means. The 5Z’s provide the principles and guidelines for achieving 5Z Accreditation. The 5Z process uses the Genba (Gemba) Kanri principles to maintain, evaluate, promote, and […]

Ever been to a business meeting? Ever thought it was a waste of time? Let’s explore how the 5Ps of meeting effectiveness may help you have a better meeting.

Sometimes you need an improvement approach that is faster than the traditional Six Sigma methods of DMAIC or DMEDI. Agile may be your answer. Let’s see how.   The word agile refers to the ability to rapidly create and respond to change and the need to improve. It is a way of dealing with, and ultimately […]

Monitoring your process metrics over time allows you to look for trends and patterns in the data. The run chart is one of the easiest graphs to use to do this. 

There are a number of descriptive statistics you can use to describe the central tendency of your data. The mode is one of them.