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Q. 202 How is DMA of DMAIC different from DMA of DMADV ? Note for website visitors - Two questions are asked every week on this platform. One on Tuesday and the other on Friday. All questions so far can be seen here - https://www.benchmarksixsigma.com/forum/lean-six-sigma-business-excellence-questions/ Please visit the forum home page at https://www.benchmarksixsigma.com/forum/ to respond to the latest question open till the next Tuesday/ Friday evening as per Indian Standard Time. The best answer is always shown at the top among responses and the author finds honorable mention in our Business Excellence dictionary at https://www.benchmarksixsigma.com/forum/business-excellence-dictionary-glossary/ along with the related term.
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Q. 200 While most leaders seem to agree that DMAIC is a logical sequence, needs top management support, can be used flexibly and makes business sense, what are some of the Leadership reasons for not supporting this methodology wholeheartedly (in many companies)? Note for website visitors - Two questions are asked every week on this platform. One on Tuesday and the other on Friday. All questions so far can be seen here - https://www.benchmarksixsigma.com/forum/lean-six-sigma-business-excellence-questions/ Please visit the forum home page at https://www.benchmarksixsigma.com/forum/ to respond to the latest question open till the next Tuesday/ Friday evening as per Indian Standard Time. The best answer is always shown at the top among responses and the author finds honorable mention in our Business Excellence dictionary at https://www.benchmarksixsigma.com/forum/business-excellence-dictionary-glossary/ along with the related term. -
Q. 175 Define the term secondary metric. Give examples. Are there times when we do not need to have a secondary metric? Is it possible that we may have multiple secondary metrics in a project? Note for website visitors - Two questions are asked every week on this platform. One on Tuesday and the other on Friday. All questions so far can be seen here - https://www.benchmarksixsigma.com/forum/lean-six-sigma-business-excellence-questions/ Please visit the forum home page at https://www.benchmarksixsigma.com/forum/ to respond to the latest question open till the next Tuesday/ Friday evening as per Indian Standard Time. The best answer is always shown at the top among responses and the author finds honorable mention in our Business Excellence dictionary at https://www.benchmarksixsigma.com/forum/business-excellence-dictionary-glossary/ along with the related term.
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Q. 160 Hypothesis Testing - Business Success for any company depends on Continuous Improvement(CI) . CI requires creating hypothesis and testing them frequently. Most organizations create and test hypothesis (do trials for new ideas or carry on small experiments). For some reason, most professionals do not carry out statistical testing of hypothesis on sample data and tend to rely on gut feeling. It is seen that most Green Belt professionals do not use it while they have been trained on it. What are the key reasons for lack of use of this powerful family of statistical tests? Note for website visitors - Two questions are asked every week on this platform. One on Tuesday and the other on Friday. All questions so far can be seen here - https://www.benchmarksixsigma.com/forum/lean-six-sigma-business-excellence-questions/ Please visit the forum home page at https://www.benchmarksixsigma.com/forum/ to respond to the latest question open till the next Tuesday/ Friday evening as per Indian Standard Time. The best answer is always shown at the top among responses and the author finds honorable mention in our Business Excellence dictionary at https://www.benchmarksixsigma.com/forum/business-excellence-dictionary-glossary/ along with the related term.
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Process FMEA and DMAIC
Vishwadeep Khatri posted a question in We ask and you answer! The best answer wins.
Q. 159 In how many ways can a Process FMEA relate with a Lean Six Sigma DMAIC project? Note for website visitors - Two questions are asked every week on this platform. One on Tuesday and the other on Friday. All questions so far can be seen here - https://www.benchmarksixsigma.com/forum/lean-six-sigma-business-excellence-questions/ Please visit the forum home page at https://www.benchmarksixsigma.com/forum/ to respond to the latest question open till the next Tuesday/ Friday evening as per Indian Standard Time. The best answer is always shown at the top among responses and the author finds honorable mention in our Business Excellence dictionary at https://www.benchmarksixsigma.com/forum/business-excellence-dictionary-glossary/ along with the related term. -
Q. 157 While solving problems, root cause analysis is considered as an obvious step. When is it that one should refer to a “cause” as the “root cause”? (or a set of “causes” as “root causes”) The most comprehensive answer wins. Do try to consider varying situations. If answers are similar in detail, those with examples will get preference over others. Note for website visitors - Two questions are asked every week on this platform. One on Tuesday and the other on Friday. All questions so far can be seen here - https://www.benchmarksixsigma.com/forum/lean-six-sigma-business-excellence-questions/ Please visit the forum home page at https://www.benchmarksixsigma.com/forum/ to respond to the latest question open till the next Tuesday/ Friday evening as per Indian Standard Time. The best answer is always shown at the top among responses and the author finds honorable mention in our Business Excellence dictionary at https://www.benchmarksixsigma.com/forum/business-excellence-dictionary-glossary/ along with the related term.
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Tollgate Reviews
Vishwadeep Khatri posted a question in We ask and you answer! The best answer wins.
Q. 146 Tollgate Reviews are checkpoints in a Six Sigma project. What are the objectives of completing tollgate reviews? When all should a tollgate review be carried out in a DMAIC or DMADV project? Who must be present in every tollgate review and who are the "if-needed" participants? Note for website visitors - Two questions are asked every week on this platform. One on Tuesday and the other on Friday. All questions so far can be seen here - https://www.benchmarksixsigma.com/forum/lean-six-sigma-business-excellence-questions/ Please visit the forum home page at https://www.benchmarksixsigma.com/forum/ to respond to the latest question open till the next Tuesday/ Friday evening as per Indian Standard Time. The best answer is always shown at the top among responses and the author finds honorable mention in our Business Excellence dictionary at https://www.benchmarksixsigma.com/forum/business-excellence-dictionary-glossary/ along with the related term. -
Q. 139 In which phase of DMAIC, can hypothesis testing NOT be used? Explain with reasons. Note for website visitors - Two questions are asked every week on this platform. One on Tuesday and the other on Friday. All questions so far can be seen here - https://www.benchmarksixsigma.com/forum/lean-six-sigma-business-excellence-questions/ Please visit the forum home page at https://www.benchmarksixsigma.com/forum/ to respond to the latest question open till the next Tuesday/ Friday evening as per Indian Standard Time. The best answer is always shown at the top among responses and the author finds honorable mention in our Business Excellence dictionary at https://www.benchmarksixsigma.com/forum/business-excellence-dictionary-glossary/ along with the related term.
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Validation with Small Samples
Vishwadeep Khatri posted a question in We ask and you answer! The best answer wins.
Q. 138 In many industries, it is costly to do trials while establishing solution for a problem. Verifying improved process capability with very few samples is not easy. What are the approaches for decision making with a few samples? Note for website visitors - Two questions are asked every week on this platform. One on Tuesday and the other on Friday. All questions so far can be seen here - https://www.benchmarksixsigma.com/forum/lean-six-sigma-business-excellence-questions/ Please visit the forum home page at https://www.benchmarksixsigma.com/forum/ to respond to the latest question open till the next Tuesday/ Friday evening as per Indian Standard Time. The best answer is always shown at the top among responses and the author finds honorable mention in our Business Excellence dictionary at https://www.benchmarksixsigma.com/forum/business-excellence-dictionary-glossary/ along with the related term. -
Process Controls
Vishwadeep Khatri posted a question in We ask and you answer! The best answer wins.
Q. 137 There are different ways and means of controlling a process and they vary in their effectiveness. Describe different type of process controls and sort them in your order of preference from best to worst. Note for website visitors - Two questions are asked every week on this platform. One on Tuesday and the other on Friday. All questions so far can be seen here - https://www.benchmarksixsigma.com/forum/lean-six-sigma-business-excellence-questions/ Please visit the forum home page at https://www.benchmarksixsigma.com/forum/ to respond to the latest question open till the next Tuesday/ Friday evening as per Indian Standard Time. The best answer is always shown at the top among responses and the author finds honorable mention in our Business Excellence dictionary at https://www.benchmarksixsigma.com/forum/business-excellence-dictionary-glossary/ along with the related term. -
Q. 136 What is the best way to create a Control Plan for a process? Note for website visitors - Two questions are asked every week on this platform. One on Tuesday and the other on Friday. All questions so far can be seen here - https://www.benchmarksixsigma.com/forum/lean-six-sigma-business-excellence-questions/ Please visit the forum home page at https://www.benchmarksixsigma.com/forum/ to respond to the latest question open till the next Tuesday/ Friday evening as per Indian Standard Time. The best answer is always shown at the top among responses and the author finds honorable mention in our Business Excellence dictionary at https://www.benchmarksixsigma.com/forum/business-excellence-dictionary-glossary/ along with the related term.
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Q. 135 Process and Project are terms used in the Business Improvement or Six Sigma world, while the term project is used in the Project Management realm. What are the key differences in a Project and a Process? Can the terms be used interchangeably? Give examples to support your answer. Note for website visitors - Two questions are asked every week on this platform. One on Tuesday and the other on Friday. All questions so far can be seen here - https://www.benchmarksixsigma.com/forum/lean-six-sigma-business-excellence-questions/ Please visit the forum home page at https://www.benchmarksixsigma.com/forum/ to respond to the latest question open till the next Tuesday/ Friday evening as per Indian Standard Time. The best answer is always shown at the top among responses and the author finds honorable mention in our Business Excellence dictionary at https://www.benchmarksixsigma.com/forum/business-excellence-dictionary-glossary/ along with the related term. -
Q. 131 The basic tenet of the EFQM model (European Foundation for Quality Management) is Bench-marking. Explain the 8 core values of the EFQM Model. Compare the RADAR cycle (EFQM Model) to DMAIC (Six Sigma). Note for website visitors - Two questions are asked every week on this platform. One on Tuesday and the other on Friday. All questions so far can be seen here - https://www.benchmarksixsigma.com/forum/lean-six-sigma-business-excellence-questions/ Please visit the forum home page at https://www.benchmarksixsigma.com/forum/ to respond to the latest question open till the next Tuesday/ Friday evening as per Indian Standard Time. The best answer is always shown at the top among responses and the author finds honorable mention in our Business Excellence dictionary at https://www.benchmarksixsigma.com/forum/business-excellence-dictionary-glossary/ along with the related term.
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Excellence in Results
Vishwadeep Khatri posted a question in We ask and you answer! The best answer wins.
Q. 130 Y = F(X) indicates that we need to improve inputs and improve the process to get better outputs than what we got earlier. Is it possible to let one of the two remain at a below industry average level (inputs or process) and focus heavily on the other one to generate excellent results? Give examples to explain your answer. Note for website visitors - Two questions are asked every week on this platform. One on Tuesday and the other on Friday. All questions so far can be seen here - https://www.benchmarksixsigma.com/forum/lean-six-sigma-business-excellence-questions/ Please visit the forum home page at https://www.benchmarksixsigma.com/forum/ to respond to the latest question open till the next Tuesday/ Friday evening as per Indian Standard Time. The best answer is always shown at the top among responses and the author finds honorable mention in our Business Excellence dictionary at https://www.benchmarksixsigma.com/forum/business-excellence-dictionary-glossary/ along with the related term. -
Q. 129 Y=f(X) forms a very important part of a Six Sigma or DMAIC project. What are the various tools that can be used to list all possible Xs for an output Y. Note for website visitors - Two questions are asked every week on this platform. One on Tuesday and the other on Friday. All questions so far can be seen here - https://www.benchmarksixsigma.com/forum/lean-six-sigma-business-excellence-questions/ Please visit the forum home page at https://www.benchmarksixsigma.com/forum/ to respond to the latest question open till the next Tuesday/ Friday evening as per Indian Standard Time. The best answer is always shown at the top among responses and the author finds honorable mention in our Business Excellence dictionary at https://www.benchmarksixsigma.com/forum/business-excellence-dictionary-glossary/ along with the related term.
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Stop Gap Arrangement
Vishwadeep Khatri posted a question in We ask and you answer! The best answer wins.
Q. 122 "Stop Gap" arrangements usually have a negative connotation to them. How are they different than the "Quick Wins" usually identified in the Define phase of a Six Sigma project? Note for website visitors - Two questions are asked every week on this platform. One on Tuesday and the other on Friday. All questions so far can be seen here - https://www.benchmarksixsigma.com/forum/lean-six-sigma-business-excellence-questions/ Please visit the forum home page at https://www.benchmarksixsigma.com/forum/ to respond to the latest question open till the next Tuesday/ Friday evening as per Indian Standard Time. The best answer is always shown at the top among responses and the author finds honorable mention in our Business Excellence dictionary at https://www.benchmarksixsigma.com/forum/business-excellence-dictionary-glossary/ along with the related term. Important Note - To be able to answer, you need to sign up or sign in -
Q. 121 It is noticed that data collected for problem solving during Gemba walks is not always reliable. A useful approach for evaluating data is the "KNOT technique". Explain the utility of KNOT technique with a suitable example. Note for website visitors - Two questions are asked every week on this platform. One on Tuesday and the other on Friday. All questions so far can be seen here - https://www.benchmarksixsigma.com/forum/lean-six-sigma-business-excellence-questions/ Please visit the forum home page at https://www.benchmarksixsigma.com/forum/ to respond to the latest question open till the next Tuesday/ Friday evening as per Indian Standard Time. The best answer is always shown at the top among responses and the author finds honorable mention in our Business Excellence dictionary at https://www.benchmarksixsigma.com/forum/business-excellence-dictionary-glossary/ along with the related term.
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Q. 119 Explain by giving examples how should one decide about selecting a suitable process improvement approach in a given situation. Compare and contrast DMAIC with Rapid Improvement sequences like Kaizen. Note for website visitors - Two questions are asked every week on this platform. One on Tuesday and the other on Friday. All questions so far can be seen here - https://www.benchmarksixsigma.com/forum/lean-six-sigma-business-excellence-questions/ Please visit the forum home page at https://www.benchmarksixsigma.com/forum/ to respond to the latest question open till the next Tuesday/ Friday evening as per Indian Standard Time. The best answer is always shown at the top among responses and the author finds honorable mention in our Business Excellence dictionary at https://www.benchmarksixsigma.com/forum/business-excellence-dictionary-glossary/ along with the related term. Important Note - To be able to answer, you need to sign up or sign in
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Six Sigma is a powerful methodology that can be used to improve business processes. It is a structured approach to problem-solving that can be applied to any process - manufacturing, sales, marketing, IT, BPO, accounting, purchasing, you name it. All processes have variation. Variation is the cause of all evil - it leads to defects and customer dissatisfaction. Six Sigma methodology can be used to reduce variation from any source and thus improve costs, quality, and hence customer satisfaction. The standard methodology that is used to improve existing processes is called DMAIC. The acronym DMAIC stands for Define - Measure - Analyze - Improve - Control. If you think about it - this methodology is common sense. Before we start working on a problem, we need to have a good definition of what is the problem, why we are working on it, where is the pain area, what is in the scope of the project etc. All of these are accomplished in the Define phase. Secondly, in the Measure phase, we are interested in ensuring that the data used for further analysis is free of measurement errors. Six Sigma is about making decisions based on facts & data. If the data is inaccurate, we would end up making the wrong decisions. Hence, the measured phase ensures good data. Before making any improvements, it is also important to establish a baseline so that we can clearly communicate the benefits obtained from our project to other key stakeholders. The next phase, Analyze, is all about making the hypothesis and using data to either prove or disprove our hypothesis. We make the hypothesis about what is causing the problem and then establish the real root causes. The fourth phase, Improve, focus on getting the best possible solution to solve the root cause of the problem. The solution is optimized and any potential failure modes are resolved before the solution is deployed in the real world. The last phase, Control, is all about ensuring that the solution is sustainable in the long run. Any financial benefits obtained from the project are also quantified. Finally, the improved process is transitioned over to the process owner. As we can see from this paragraph, any problem can be addressed using this structured approach. Here are some things that should come to your mind when people talk about Six Sigma: Business Process Improvement Methodology 3.4 defects per million opportunities Customer focused Uses facts & data Quantify financial benefits Structured improvement approach
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Alternative names for DMAIC
Vishwadeep Khatri posted a question in We ask and you answer! The best answer wins.
Q68. I have come across a few alternative names for DMAIC. One is G-E-T-S that was used by GE Transportation Systems and they used it as Gather- Evaluate- Transform- Sustain. What are some alternative names for DMAIC that you have come across? Note for website visitors - Two questions are asked every week on this platform. One on Tuesday and the other on Friday. All questions so far can be seen here - https://www.benchmarksixsigma.com/forum/lean-six-sigma-business-excellence-questions/ Please visit the forum home page at https://www.benchmarksixsigma.com/forum/ to respond to the latest question open till the next Tuesday/ Friday evening as per Indian Standard Time. The best answer is always shown at the top among responses and the author finds honorable mention in our Business Excellence dictionary at https://www.benchmarksixsigma.com/forum/business-excellence-dictionary-glossary/ along with the related term. -
Hi VK, I thought of doing a Six sigma project on body weight lose. Now weight is 85kgs, as per the height and weight standard it should be within 50 to 60kgs. The target weight in 6 months is 55kgs with the diet plan and exercise plan. Calorie counts on diet and exercise are updated daily in log book. Now my question is what is the metric I have to consider? Shall I take calorie consumption per day and calorie expended per day. Note: the 85kg man should have average calorie consumption per day (accpd) should be 2300kcal for maintaining his weight. When the weight reduces the accpd also reduces to maintain weight. Now please guide me about what data I want to collect. -
Hi All, Need you advice... Currently I am working one of the business problem which is adversely impacting the client deliverable's. Problem is - High Attrition. I understand its a universal problem, I am just trying to control few of the factors which are in our control. So with the help of an HR I have collected last 12 months data (Aug 2013 till Sep 2014) attrition data. I also studied the reason given in exit interview while leaving. Accordingly I have classified few of reasons for leaving into sub-groups, they are: 1) Career Growth 2) Compensation 3) Family Problem 4) Higher Position 5) Relocation 6) Health Problem 7) Higher Studies 8) Own Business 9) Performance Issue 10) Dissatisfied with Job 11) Working Hours 12) Job Location 13) Job Profile Also please see the Pareto attached. The data which I have collected have following information: Name Project Designations Grade Education Location (residential) Marital Status Date of Joining Last Day in the Org. Date of Resignation Notice Period Served Notice period Required What further analysis I can do with the above given data ?? Please advice. Regards, Rajiv Nair
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Hi, I've been given the responsibility to lead our organization's Inspection Cost Reduction Project. To give you some background, my employer is a passive telecom infra & services provider. While the telecom tower is being erected Civil & Tower Inspection should be done and this task has been outsourced to External Agencies specializing in Civil Foundation & Tower Inspection. The objective is to reduce this cost either by going for a sample inspection by external agency (currrently 100% of the sites are being inspected), or hiring permanent resources for 100% inspection or hiring permanent resource for sample inspection etc. Though the objective is clear the exact solution here is unknown however cause for high cost is known. Also, there might not be any scope of MSA as the data available is plain simple of inspection happening and the amount being paid for every inspection. My question to the gurus here is doing a project like this qualify as a BB project that can be undertaken with DMAIC approach.
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Hi All, Can any one remind me the difference between 8D and 6 Sigma methodologies besides the difference in use of statistical tools? Where do we apply 8D and where do we see a potential need of application of 6 Sigma? Cheers, Shree.
