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1.5 Sigma Process Shift Explanation
Why is 6 sigma 3.4 ppm, not 2 ppb? The calculation of process sigma after a process improvement project should be reported as short-term sigma. This article explains why and how to perform the calculation. From iSixSigma.
Bank Deposits: A Black Belt Case Study
A case study of how a Black Belt used Six Sigma tools to define, measure, analyze and improve a transactional bank deposit process, resulting in yearly savings of $4MM. From iSixSigma.
Call Center Six Sigma Project Case Study-Tutorial - Six Part Series
This detailed combination "case study and tutorial" tracks the a Six Sigma DMAIC project in a service company call center. The project is aimed at helping the company become more competitive and profitable. Each part of this six part case study follows the project team as it works through each stage of the DMAIC methodology (business case, define, measure, analyze, improve and control). If you're working on or planning a call center Six Sigma project, you need to read this case study. From David L. Hallowell and Gary Gack.
Combining the Power of DMAIC with Testing Processes
Companies today make great financial investments in testing their processes and systems. If they want to ensure they can meet customer expectations, it is sensible to bring the testing processes under the DMAIC method of Six Sigma. From Joseph T. Walsh.
Customer CTQs - Defining Defect, Unit and Opportunity
In order for any process capability to accurately be calculated, one must properly define and quantify the process defect, unit and opportunity of a customer CTQ. This article defines the three terms, as well as provides examples. From Kerri Simon and iSixSigma.
Debunking IT Isolation in Search of Quality and Savings
IT departments need not suffer waste and inefficiencies because they are somehow different from a company's other functional areas. Ultimately, the same Six Sigma tenets employed elsewhere can benefit IT organizations as well. From Dr. Amber Gravett and David Dean Tuma.
Developing E-Learning The Six Sigma Way
Your E-Learning development program may well be in trouble, and applying the Six Sigma methodology might be the solution. In this real-world Six Sigma -- play-by-play -- case study about E-Learning development, you will learn from the Black Belt what tools were used throughout define, measure, analyze, improve and control phases of a project to reduce development time by 50% and save almost $300,000 per year. From Kaliym A. Islam and iSixSigma.
DMAIC And Project Plans
Six Sigma relies on tried-and-true methods that have been around for decades. In fact, Six Sigma discards a great deal of the complexity that characterizes total quality management (TQM). The tools are applied within a simple performance-improvement framework known as DMAIC, or define-measure-analyze-improve-control, which is analogous to the older TQM model known as plan-do-study-act. From Thomas Pyzdek and Quality Digest.
DMAIC Project Cycle Graphic
The key steps, how they interact and a checklist for each step. (PDF) From Pydzec Consulting, Inc.
DMAIC Versus DMADV
DMAIC and DMADV are two Six Sigma methodologies that eliminate defects from a process or product. Learn about DMAIC and DMADV and when it is most appropriate to use each methodology. From Kerri Simon and iSixSigma.
Does DMAIC Work In A Fire-Fighting Situation?
From the iSixSigma Discussion Forum: "A key customer reported a new defect that dropped their yield significantly and we were ordered to get a instant improvement. It seems DMAIC does not work in fire-fighting cases. What are your thoughts?" From iSixSigma.
Healthcare Organizations: What To Do When The Low-Hanging Fruit Is Gone
This article provides an example of how an operational department (like a cardiac catheterization lab) can be transformed from a low sigma level to a higher sigma level, and what that would mean to the overall organization. Patient satisfaction, physician satisfaction, reduced overtime, reduced patient wait times, increased revenues and an enhanced quality of life for staff are some of the outcomes of moving to the higher sigma level. The goal is to move from the current state to a future, more productive state. Integrating the Six Sigma culture into entire organizations can multiply the positive effects and make a significant impact at all levels. From Tom Long and GE Medical Systems.
How To Calculate Process Sigma
Calculating your process sigma can be accomplished in 5 simple steps: Define your opportunities, define your defects, measure your opportunities and defects, calculate your yield, look-up process sigma. This article includes all the tools you need. From iSixSigma.
Improving ED Wait Times at North Shore University Hospital
North Shore University Hospital in Forest Hills, N.Y., initiated a Six Sigma project aimed at improving the patient experience by reducing wait times in its Emergency Department. The results have been impressive. From By Kevin G. Tuttle.
Process Redesign to Reduce Cycle Time − A Case Study
A power distribution company in India, serving domestic, commercial, industrial and agricultural users, was not meeting the country’s performance standard regulations for metering and billing. A Six Sigma project was initiated to reduce cycle time. From Dibyajyoti Bandyopadhyay.
Process Sigma Calculator
Calculate your process sigma with this handy calculator. From iSixSigma.
Read-Rite Low Tape Head FPY Manufacturing Case Study
This real-world Six Sigma manufacturing case study highlights how a low first pass yield (FPY) was defined, measured, analyzed, improved and controlled. It includes the story-board used by the team to document the DMAIC improvement process and project results. From Joel Amil & Read-Rite "Elite Sigma".
Reducing Delays in the Cardiac Cath Lab with Six Sigma - An iSixSigma Case Study
Hospitals are pursuing strategies such as Six Sigma to improve throughput, maximize equipment utilization and increase efficiency. New York-Presbyterian Hospital recently embarked on an initiative to improve throughput in its three cardiac cath labs. From S. Konopka, M. Millar, B. O'Brien and M. Weissman.
Salvaging a Call Center’s Big Software Investment
The call center handled technical problems and policy issues for a financial institution's branches across the country But complaints and cost overruns indicated problems. New software did not help. The company found the answer is a Six Sigma project. From Tim Williams.
Six Sigma DMAIC Quick Reference Sheets
Six Sigma DMAIC quick reference sheets to help you prepare for your milestone/tollgate reviews. Review deliverables, checkpoints, key questions, and useful tools for each DMAIC phase. From iSixSigma.
Six Sigma DMAIC Roadmap
The Six Sigma DMAIC problem solving methodology consists of Define, Measure, Analyze, Improve and Control phases. This article (which also serves as a roadmap) will walk you through the steps, tools and tollgates. Make sure you bookmark this page for future reference! From iSixSigma.
Six Sigma Software Development Case Study
This article illustrates the Six Sigma DMAIC process using an organization that develops software packages as an example. The Six Sigma DMAIC approach to process improvement provides a powerful mechanism for improving the software process. Typical benefits will exceed costs within 6 to 12 months from initiation of a Six Sigma program for software development, and the on-going return will be very substantial -- often a 15-25% reduction in software development costs in year two, with continuing reductions thereafter. From Gary Gack and Six Sigma Advantage.
Statistical Six Sigma Definition
The Six Sigma methodology is well rooted in statistics and statistical mathematics. Learn why six standard deviations is worthwhile for your organization to measure. From iSixSigma.
Tool Set For Improving Transactional Processes
Our experience as well as input from colleagues in other industries indicates that some of the statistical tools are not really applicable for achieving the desired improvements in transactional processes. We are curious about the experiences of other organizations. Is there a lot of value in teaching some of the statistical tools mentioned above for transactional processes? From iSixSigma Discussion Forum.
UVA Reduces CPT Coding Errors With Six Sigma
The mysteries of CPT coding errors in the pulmonary medicine department at University of Virginia (UVA) Medical Center were solved by a Six Sigma Black Belt detective who looked for hard evidence of what went wrong and why. Were coding errors correlated with the time of day, day of the week, or workload? Was something amiss in the physician/coder interaction that produced the code? Were errors related to some fundamental misunderstanding of a specific type of code that caused consistent overcoding or undercoding? This case study examines how the DMAIC process helped solve the problems. From the Report On Medicare Compliance.
Why a Project Team Cannot Afford to Overlook the C in DMAIC - An iSixSigma Case Study
The initial results of a new quality improvement effort at a Midwest lockbox operation were disappointing - the error rate seemed to be increasing. When the SixSigma team got to the Control phase it began solving the problem of excessive errors. From Tim Williams.
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