Articles on Six Sigma - Tools

A check sheet is a simple tool which is a part of the 7 basic tools of six sigma. The check sheet has become obsolete nowadays because of the introduction of software which have the capability to record high volumes of data.

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Stratification is basically a technique to solve the sampling error and is used mostly in the define stage of a six sigma project. The article explains how to use stratification for better results.

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The article discusses the complete process which has been described to ensure the proper development of the SIPOC Chart.

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The fishbone diagram, which also goes by a couple of other names like the Cause and effect diagram and the Ishikawa diagram is one of the seven basic tools of quality management. Lets discuss how exactly does the fishbone diagram helps in brainstorming.

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It is very important for every student of quality and six sigma to know how draw a fishbone diagram. To aid the students in learning, here is a step-by-step procedure of how a fishbone diagram must be drawn.

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A Pareto chart is one of the 7 basic tools of quality control. It is important for every student of quality management to know how to prepare and how to read this chart. The procedure for the same has been listed in this article.

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A scatter plot is a graphical tool used to provide a convenient view of the process at a single glance. The article discusses in detail about how the scatter plot studies the correlation between the important variables.

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Drawing a Scatter Plot involves great deal of human involvement as well as human judgement. The article discusses the steps involved in drawing a scatter plot diagram.

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The Five Why’s analysis, also known as the root cause analysis is one of the seven basic tools that are used in Six Sigma. The main idea behind this tool is that for every effect there is a cause. Therefore the problem can be viewed as an effect for which there will be one or multiple causes. Lets understand the concepy with the help of an example.

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There is a high degree of subjectivity involved with while using the Five Why’s Tool. It is suggested that it be used only by a team of cross functional experts to obtain best results. Lets discuss the important steps that shoulr be followed to get the best results.

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Failure Mode and Effects Analysis (FMEA) is way to reduce the fallibility of the product/services. The FMEA was first implemented by the aerospace industry in the 1960’s. Lets understand the concept of FMEA in detail.

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Analytical Hierarchy Process (AHP) is a mathematical tool of problem solving. The AHP method has been created after understanding the structure of a problem and the real hindrance that managers face while solving it. This article explains the structure of the problem and how Analytical Hierarchy Process can be used.

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The Voice of Customer is not a tool but an underlying philosophy of the Six Sigma process which enables it to ensures that the entire process improvement exercise is based on the need of the customer.

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The Pugh Matrix is one of the most widely used six sigma tools for finding out the best solution once a number of alternate solutions have been generated. The article lists down the step by step guide to use the Pugh Matrix.

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One of the greatest criticisms of six sigma methodology is that the entire system is built on fudged numbers. The article discusses the reasons about why few statisticians believe that the name six sigma is misleading.

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