Category: Methodology

In today’s highly competitive business landscape, organizations are constantly seeking ways to improve their operations and deliver exceptional value to their customers. One such company that embarked on a transformative journey is Amazon Web Services (AWS), the cloud computing arm of Amazon. Facing significant challenges, AWS turned to Lean Six Sigma practices and tools to […]

InterConnect Wiring was constantly needing to be ahead of schedule in assembling its aircraft kits, causing unneeded stress and an unbalanced workload. By utilizing Lean and Six Sigma concepts, the organization was able to make significant improvements to its processes. Despite already being a very successful organization, InterConnect Wiring was able to utilize Lean and […]

Efficiency, Elegance, and Empowerment: Avon and Lean Six Sigma Unite In the bustling world of cosmetics, where beauty meets business, one name has stood the test of time, captivating hearts and empowering women for over a century: Avon. From its humble beginnings as a perfume company in the late 19th century to its global presence […]

What is a Black Belt (BB)? A Six Sigma Black Belt (BB) is a trained and certified professional who has achieved a high level of expertise and experience in the Six Sigma methodology. Six Sigma is a data-driven methodology and management philosophy that aims to improve the quality of processes, reduce defects, and minimize variability […]

What is Six Sigma? Six Sigma is a disciplined, data-driven approach and methodology used by organizations to improve their processes and reduce defects or errors. It was originally developed by Motorola in the 1980s and has since been adopted by numerous companies across various industries. The term “Six Sigma” refers to a statistical concept that […]

What is Six Sigma? Six Sigma is a quality control methodology that is utilized to improve processes through the elimination of defects. In practice, the methodology incorporates project management, analysis, and statistics to improve the functionality of a business by addressing defects in a process. The cornerstone of the Six Sigma method is the DMAIC […]

We all need payment for the work that we do. It is really that simple. If contracted out to do a job by somebody, you need to be able to count on compensation for the work done on that job within a reasonable amount of time. Contractors that worked on street maintenance projects for the […]

In the early 1990s, US West was an organization that was leading the charge in telecommunications. At the time, their buildings were being plagued by disruptive false fire alarms. How it was dealt with is a great example of how to apply the Six Sigma quality improvement process, a method applicable to nearly any quality […]

When many think of Six Sigma, they first think of massive corporations utilizing the methodology for quality and process improvement. They do not generally associate it with the mom-and-pop shop down the street. The truth is that plenty of smaller companies use the Six Sigma method to optimize their businesses. The only reason that most […]

Littelfuse is a manufacturing company that produces electronic products for various industries. The company was facing a problem with its production process, as it was experiencing a high defect rate that was causing delays and increasing costs. Products were experiencing defects and failures, which resulted in customer complaints, rework, and repairs. These quality issues were […]

In 2018, the Miami-Dade Public Library System utilized Six Sigma methodology to improve upon the time needed for the transporting of library materials. The utilization of Six Sigma to meet the needs of this type of organization is an exciting example of just how versatile these tools can be. When we go to the library, […]

With strategic implementation, Six Sigma can do wonders for an organization. The methodology can drastically improve processes, cut down on waste, and even help provide better results in the design and R&D of new products. Samsung found that it was having issues with all of the above and, in 1999, conducted a complete overhaul of […]

Have you ever wondered whether the outgoing inspection values from your vendor are equivalent to the values of your incoming inspection? Maybe it’s time to use orthogonal regression to see if one of you can stop inspecting. If your vendor is doing final outgoing inspection, do you need to also do incoming inspection on the […]

In the 1980s, Wipro made the leap from being primarily known as a vegetable oil company in India into the world of IT. In order to be a competitor in this industry on a global scale, Wipro would need to continually improve its performance as well as work smarter towards meeting the needs of its […]

Not all experiments are created equal. Learn how randomization can improve the validity of any business’ experiments aligned with Six Sigma principles. Randomization in Six Sigma Business owners and managers want to know what works and what doesn’t when it comes to existing processes and methods of operation. Running experiments and assigning inputs and outputs […]

When you are part of an organization that is working towards goals, you are part of a team. A team moving toward hitting milestones can sometimes need to generate excitement and motivation while inching toward the goal line. This is why we have acronyms like TEAM. An acronym like TEAM can be used by team […]

Measurables indicate how a process is performing or how customer expectations are being met. These indicators are quantifiable, expressed numerically, and can have units of measurement. There are two kinds of these indicators. They are process measurables and result measurables. It is important in any business to know if you are meeting the expectations of […]

In discussions about the Six Sigma methodology, you will often find the equation Y=F(x). It is an important formula in working with the methodology and can serve as a very helpful tool in project management. When working with the Y=f(x) formula, X stands for the various inputs utilized to generate an outcome, while f represents […]

ANOVA will tell you whether there is a statistically significant difference in the population means of three or more groups of data. But which means are different? Tukey’s will tell you that. Analysis of Variance (ANOVA) is used to determine whether the population means of several sample data sets are statistically different or not. If […]

What is the point of having a bunch of raw data if you don’t have the tools to analyze it? Regression models provide you with the ability to see if there is a relationship between two types of variables, helping make some sense of data that has been collected by fitting it to a line. […]

Arrow Electronics had already been utilizing Six Sigma practices when it introduced its drone project in 2016 at its two main distribution centers in Malaysia and Asia. The drone project gained them further recognition for their use of Six Sigma methodology and helped usher in a new era of using drones in warehouses in the […]

The Bartlett Test is named after the English statistician, Maurice Stevenson Bartlett. The test is also known as the Bartlett’s test for homogeneity of variances. It is most used in the context of doing a 1-way Analysis of Variance (ANOVA). ANOVA is used to determine whether there is any statistical difference between the means of […]

You are probably familiar with the notion that there are costs of poor quality, often shown as COPQ. These represent both internal and external failures to maintain good quality. There are also costs associated with maintaining good quality sometimes represented as COGQ. These costs represent appraisal and prevention costs. Total Cost of Quality (TCOQ) is […]

Many statistical tools have an assumption of normality. Is there an option if my data is not normal? Transforming your data might help. Some statistical methods, such as hypothesis testing, have an underlying assumption of normality of your data before they can be used. Although control charts are generally robust to normality issues, sometimes the […]