The Four Steps of PDCA and How They Lead to Continuous Improvement There are various methods for tackling the activities of an organization available to us nowadays, and leaders have no shortage of tools to help them get the job done. Among the various techniques available, the trend is generally leaning towards solutions that can […]

## What Is Statistical Thinking?

What Is Statistical Thinking? Understanding statistics is important for anyone running an organization of any scale. There are many common misconceptions in the field that can be very harmful to the performance of a company, and a good leader must invest the time to train themselves to think in the right way. Statistical thinking is […]

## What Is the Joiner 7 Step Method?

What Is the Joiner 7 Step Method? > The Joiner 7 step method is a technique that can prove very useful in tackling large, complex issues, including in cases where the fundamental problem is not fully understood, and the lack of information can prevent an analytical approach to finding a solution. The method is based […]

## Quality Failure: Why Did It Happen?

As a Lean Six Sigma professional, we are fascinated with the question of “why” when we see failure in business practices. It is in our DNA to ask that question and drill down, to expose the facts. When you look at two recent business failures, our heads are filled with the question “why.” The failure […]

## Brainstorming: A Powerful Six Sigma Tool

Brainstorming combines a relaxed, informal approach to problem solving with lateral thinking. It encourages people to come up with thoughts and ideas that can, at first, seem a bit crazy. Some of these ideas can be crafted into original, creative solutions to a problem, while others can spark even more ideas. This helps to get […]

## Root Cause Analysis: Is There Risk Involved?

Is There a Problem? Is there a problem with root cause analysis? Depends on how you look at it. First, let’s understand what it is. Root Cause Analysis (RCA) is a method of problem solving used for identifying the root causes of faults or problems. A factor is considered a root cause if removal thereof from […]

## Control Charts in Six Sigma – A Video Introduction

Control Charts in Six Sigma is an important topic. In this 7:05 video, we introduce you to the control chart. Specifically, we’ll discuss the following: What is a Control Chart? What is it used for? Where to use one? How to use a Control Chart? And, we go through several examples where Control Charts are […]

## Sample Size Calculation in Six Sigma

In the previous module, we learned to how to calculate the Z Score to estimate the probability of an event. You’ll need to know the basics of the Z Score in order to help you in this module. In this module, we learn how to calculate sample size selection for Six Sigma projects. Why Use […]

## Using Z Values in Six Sigma

In the previous module, we learned Basic Statistics as used in Six Sigma. We learned that statistics is the language of Six Sigma and saw several real world examples from projects of how statistics can be used to improve operations and processes. In this module, we learn how to use Z Values or the Z […]

## Scatterplot in Excel and 7 Quality Tools

Continuing our series on the 7 quality tools, today we’ll discuss the Scatter Plot. The 4:27 minute video explains the Scatterplot in Six Sigma projects and the article below shows examples that you can apply in your own projects. So, what is a scatter plot? The scatter plot is a chart that helps us visualize […]