Normality of the data is an underlying assumption for the use of many statistical tools. When normality doesn’t exist, transforming the data may be necessary. Let’s see how one company did that.
Through the use of Design of Experiments (DOE), a pharmaceutical company was able to extend the shelf life for one of its life saving liquid oncology medicines. Let’s see how this saved the company money, lowered the price of the drug and helped save lives.
Chi-square analysis is a powerful tool for examining the relationship between variables formatted in a table. One consumer products company used it to look at its consumers in a different way, resulting in a significant increase in sales and profitability of its product portfolio. Traditionally, an organization’s sales and marketing department makes advertising decisions based…
After experiencing multiple adverse medical events, one large hospital system moved from the sole use of a reactive root cause analysis approach to include a proactive Failure Modes and Effects Analysis strategy, which significantly reduced adverse medical events. As was the strategy at the time, a large tax supported public health system relied on root…
Stop guessing what your customers value in your product or service. Use conjoint analysis to determine what features are most important to them and have the data to support your decisions. Conjoint analysis is often described as a design of experiments (DOE) for marketing. It is a structured way to help you identify and evaluate…
How hard can it be to make orange juice? As one large global company found out, no single Six Sigma tool will solve all the problems in an organization. However, the integration of a number of tools such as correlation, Measurement System Analysis (MSA), control charts, and process capability will help solve many of them. …
Let’s look at the financial division of a global conglomerate. One of its businesses was providing loans to corporate clients. Although a dominant player in the market, the company still had to compete with other organizations to provide financing and lending to myriad businesses. By using binary logistic regression to help refine its lending offers,…
Providing the proper organizational environment for engaging people in your continuous improvement effort will provide large benefits for your organization. In this study, we look at how the combination of using control charts and providing an environment for people engagement helped one company achieve significant financial benefits. Control charts are a powerful tool for understanding…
Most businesses today brag about how they make data driven decisions on important company issues. But, what if the data is not accurate or reflective of what is really going on in the company? You might be making the wrong business decisions and inadvertently costing your company lots of money. Let’s see how one company…
A company producing commercial ink products noticed that injury rates during one step in their manufacturing process were rising after the introduction of a new product. A Lean Six Sigma Master Black Belt (MBB) consultant was hired to help the company try to resolve this serious problem. Was there a simple solution, or would it…
Culture is the “white whale” of leadership: in Moby Dick, Captain Ahab was obsessed with capturing the white whale, and modern leaders have a similar obsession with developing organizational culture. Lean Six Sigma organizations task themselves with fostering a culture of continuous improvement (or kaizen) that draws from customer requirements, objective data and metrics, and…
The problem: Healthcare providers needed to safely care for patients over the course of the pandemic. But how could they keep everyone safe without adequate supply of N95 masks?
While a Bolling mill machine creates uniform sheets of rubber with ease, it also poses a danger to an operator’s hands. Reducing rescue time and improving safety measures made for a successful Yellow Belt project in one lab.
If the Mayo Clinic can do it, so can you! Let this case study at the medical organization’s Phoenix Transplant Center be your guide to operational excellence in healthcare settings.
How do you elevate a recruiting free-for-all into a standardized, efficient and well-respected process that gets new hires in the door faster? Hello, Lean Six Sigma!
In only three years, Edward Jones has realized more than a million dollars in cost avoidance through the use of bots combined with LSS.
Healthcare is a heavily regulated industry and requires substantial amounts of paperwork. Paperwork may not be as pressing as patient care, but it must be done in a timely fashion. A Lean Six Sigma project reduced the task delinquency rate in its residency program.
A Green Belt project aimed at reducing the cycle time for purchase orders finds the bottleneck and dramatically improves the process, exceeding the project’s original goals, and even realizes bonus benefits.
Using the DMAIC methodology, a Green Belt project aims to reduce the cycle time for purchase orders and straighten up a direction-less process.
The City of Fayetteville, North Carolina, faced a staffing crisis in its Finance department. Thanks to a DMAIC project, in just 14 weeks the City was able to turn the department’s chaos around.
In this continuation of a multi-part case study, recurring problems are identified and eliminated at the diagnostic clinics’ newly established centralized laboratory.
This now five-part case study focuses on improving customer satisfaction at two of a company’s diagnostic clinics – Centers A and B. In Part One, the company worked at Center A to reduce patient turnaround time, a defining component of patient satisfaction. In Part Two, the chain’s improvement story focuses on increasing patient delight at…
Who Is Sime Darby Plantation? Sime Darby Plantation is the world’s largest sustainable palm oil producer and has four areas of focus: Upstream: 248 estates and 72 mills where fresh fruit is processed into crude palm oil Downstream: Production of oils and fats, oleochemicals, biodiesel, other palm oil derivatives and renewables in 16 countries Research…
Although the gage reproducibility and repeatability (GR&R) study is a crucial tool in Six Sigma’s DMAIC (Define, Measure, Analyze, Improve, Control) toolset, it is not the most glamorous; mistakes in its execution are common among new Six Sigma practitioners. The standard for assessing if a gage is acceptable can vary significantly from organization to organization,…
Problem-solving teams are equipped to help leaders break through vexing operational challenges that impair customer satisfaction. Often, there are more challenges than resources, and staying focused on the most critical problems is imperative. This case study describes how a team redirected its efforts toward strategic needs. Original Team Purpose In Louisville, Kentucky, Greg Fischer, businessman…
Late last year, I decided to upgrade my vehicle. For seven years I’d driven a Honda Civic. It was nothing special, just a reliable vehicle with good gas mileage – the perfect commuter car. But now I’ve got two kids, own a home and picked up woodworking as a hobby; fitting car seats and dimensional…
On her drive into work, Melissa Garcia was listening to Beethoven’s Piano Sonata No. 14 in C Sharp Minor and sipping on the mocha java blend she’d brewed in her kitchen just minutes before. It was a brisk fall Thursday morning, and Melissa was headed into the office where she was three weeks into her…
Anyone who has worked in manufacturing has probably experienced some level of finger-pointing when shipments fall short of expectations. Though there could be multiple reasons for a missed customer delivery, somehow it is always the other department’s fault. In extreme circumstances, several months of missing targets without effectively defining the root causes and addressing them…
In this case study, the 509th Maintenance Group of the U.S. Air Force used an eight-step continuous improvement approach to balance its resources and meet both flying hour program requirements and aircraft availability. Part 1 focused on steps 1 through 4. Part 2 looks at continuing to make improvements with steps 5 through 8. Step…
In this case study, the 509th Maintenance Group of the U.S. Air Force used an eight-step continuous process improvement approach to balance its resources and meet both flying hour program requirements and aircraft availability needs. This week looks at steps 1 through 4. Part 2 looks at steps 5 through 8. Introduction The B-2 bomber…
My company benchmarked against other manufacturing businesses before starting its cultural transformation change. They formed a team and visited companies including Toyota, GM, Milliken, Caterpillar, John Deere, Chrysler, Du Pont and Johnson Controls. After talking to each company about their cultures and continuous improvement processes, my company started to put together a roadmap for transformation….
A division of a diversified organization develops and manufactures samples of new drugs for clinical trials. This work entails different typical manufacturing problems for the following reasons: Quantity requirements can vary from a few grams to several tons from order to order. The effort of research and development (R&D) is central; new processes have to…
Using resource models to balance staffing and skill sets can lead to higher service levels, lower costs and other benefits. A server migration example shows how this can work in information technology.
A medical devices company, developing technology to enable smaller medical devices, launched a substrate development effort as part of a larger-scale technology and product development effort. The substrate development effort involved predicting the stress caused by the laser welding process to ensure product reliability. In this Design for Six Sigma (DFSS) case study, design and…
A leading environmental services company provides collection, processing, recycling and disposal of hazardous and non-hazardous materials for industrial and automotive customers. The company has branches all over the United States. The service representatives in these branches carry out services for geographically dispersed customers in their respective territories. This case study describes how DMAIC (Define, Measure,…
Too often manufacturing operations are quick to look at a technological solution or other capital investment to solve a problem, when leaders already have all they need right in front of them. An investment in human capital can make quick gains for less money. Sticky Business Consider the following example. In the Midwest a manufacturing…
The City of Kawartha Lakes, Ontario, Canada, was formed in 2001 by a Provincial Order to amalgamate 16 lower-tier municipalities and one upper-tier county into one corporation. Although called a City, the municipality is mostly rural. The City is approximately 3,059 km2. Due to its large rural area, the City has 21 fire stations, comprised…
In this case study, a team strives to improve the recruiting process in a large, fast-moving consumer goods company. Part 1 focused on reducing the recruiting cycle time. Part 2 focuses on decreasing the effort required to fill a job opening. The case described here uses total quality management (TQM) to address the problem of…
In this case study, a team strives to improve the recruiting process in a large, fast-moving consumer goods company. Part 1 focuses on reducing the recruiting cycle time. Part 2 focuses on decreasing the effort required to fill a job opening. Rising attrition is a common problem across industries. Tight monthly, quarterly and annual objectives…
The accounts payable shared services center (SSC) of a large Ohio-based healthcare system completed a Six Sigma operational enhancement and reporting project. This case study reviews the course of the project which endeavored to establish standard invoice processing times and develop an ongoing system for monitoring how well those standards are met. Over the last…
A 250-bed hospital had implemented total quality management (TQM) to improve customer delight in its diagnostic clinics. After that success, the management team of the hospital was ready to proceed with further process improvement. After completing a brainstorming and prioritization exercise, the team determined to next address the problem: delay in receiving test reports for patients…
A leading environmental services company applied the DMAIC (Define, Measure, Analyze, Improve, Control) methodology to improve the availability of an internal software system. The goal was to reduce system downtime (the time that the software application is not available for users) and reduce defect resolution time (the time it takes to fix a software defect…
This article describes the successful implementation of a Six Sigma Green Belt project in information technology (IT) in which a software development team applied Six Sigma to reduce the resolution time of software defects and minimize rework, thereby increasing customer satisfaction. A software development team in a leading environmental services company wanted to reduce the…
In any plant, when production increases above planned-for levels – whether due to sudden increased demand or unexpected constraints in the system – contract labor may be brought in as a quick fix. While this provides some flexibility in operations, increased labor costs is a problem. Six Sigma can be used to optimize these changing…
The manufacturing and transactional worlds have long used productivity as a measure of efficiency. Traditionally, a productivity metric has been used for assessing return on investment on machinery to measure the contributions of team members. In the growing service economy where human resources are the biggest driver of costs in the organization, management teams want…
The following are selected highlights of a corporate leadership profile of FLEXcon. The complete article – with more details about Lean application and how the company avoided layoffs during the recession – is available for purchase on the iSixSigma Marketplace. FLEXcon positions itself for growth by embracing Lean at every level More than 50 years…
Internet betting exchange Betfair invests heavily in different marketing activities, and one of the most effective marketing channels is outbound calling. The outbound marketing team employs a number of different campaigns. Its main focus, however, is to reach out to customers who have registered online, but not yet placed money in their betting account. The…
Lean Six Sigma (LSS) teams focus on the statistical analysis of metrics when identifying opportunities for improvement. The strong focus on data-driven evaluation, however, can overshadow the human element that exists behind the data collection plan. Despite its importance, the impact of human interaction is not easily visible or quantified, buried under reams of data….
The following is Part Two of a two-part article. Part One follows the first three steps of a DMAIC (Define, Measure, Analyze, Improve, Control) project at Kahiki Foods. Part Two follows the completion of the DMAIC project – the Improve and Control steps. Improve The enhanced choke-point analysis completed in Analyze verified the chicken processing…
To facilitate the development of its employees and better respond to the changing business environment, one department of a large financial-services company decided to revamp its existing performance management system through a Six Sigma project. A pre-project analysis revealed that a complete redesign of the system was required. As incremental improvement in the existing system…
Ken Feldman
Kathryn McIver
Victoria Adams
David Larsen, PSP, PMP, LSSMBB
Kevin Engholdt
Michael Parent
Brooke Holmes
Ashley Sedorovich
Andy Atkins
Chris McMillan
Niraj Goyal
Zera Zulkifli
Joe Stack
Dr. Steve Pollock, ASQ Fellow
Brian Dunn
Ken Smith
Tonya R. Hartman
Robert Borries
Kevin Bennett
Pranali Humne
Megan Mincieli
Tejal Deo
Jeff Parks
Sara Beukeboom
Gregory Nardin
Scott Peng
Rohit Priyadarshi
Jessica Harper
Lewis Holland
Janet Bautista Smith
Scott Sink
Dushyant Thatte