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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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Sensitivity Analysis
Vishwadeep Khatri posted a question in We ask and you answer! The best answer wins.
Q. 144 How does Sensitivity Analysis relate with Root Cause Analysis? 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. 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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Q46. Segmenting large sets of data into smaller segments is a common practice when analysis is done on data sets. In what different ways does segmentation relate to Root Cause Analysis? 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 5 PM 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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Root Cause Analysis
Vishwadeep Khatri posted a question in We ask and you answer! The best answer wins.
Q2. Root cause analysis is essential to problem-solving. However, there are four possibilities - (you may watch this video to understand more - https://tinyurl.com/ybtjmnof ) A cause may be necessary but not sufficient for a problem to occur. A cause may be sufficient but not necessary for a problem to happen. A cause may be neither sufficient nor necessary for a problem to occur. A cause may be both sufficient and necessary for a problem to occur. How should our approach to problem-solving change for each of the above situations? 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 5 PM 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. -
There was an accident in the recently concluded German Grand Prix where a wheel did not go correctly and it flew and hit a cameraman. Given that the wheels need to be replaced during the flash pit stops (close to 3 seconds), it needs to be done with 100% accuracy and precision. On the face of it, it might appear that it was a manual error by the mechanic (the wheel gun slipped from his hand), but in the fast paced life of F1 safety of crew and drivers is of prime importance. This lead to the identification of a design fault on the wheel gun and Red Bull team will be revising it to ensure that such an accident doesn't occur again. An excellent example of how an RCA should be performed. Full article below: http://timesofindia.indiatimes.com/sports/racing/top-stories/F1-Red-Bull-change-pitstop-procedures/articleshow/21022022.cms
