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Best Practice

Best Practice is a way or method of performing a business function or process that is considered to be superior to those achieved with other means, and is considered as a model for others to follow. Benchmarking is a systematic process used for identifying, adopting and implementing best practices. Japanese firms improved their quality drastically […]

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Hypothesis Testing

Hypothesis Testing is a statistical method to infer and validate the significance of any assumption on a given data. While discussing about statistical significance of a data, it means that the data can be scientifically tested and determined on its significance against the predicted outcome. A detailed explanation given below will shed more information. The […]

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KAIZEN

Kaizen is a Japanese term and finds its usage all across the world both in production and service industries. KAIZEN literally means KAI- change and ZEN-Good; which means a good change that is nothing but improvement. Over a period of time this term has been referred to for Continuous Improvement. The benefits of KAIZEN implementation […]

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KANBAN

Worldwide, Just in Time production and Single Flow manufacturing are gaining attention and more and more companies are adapting to these methodologies. There are a lot of tools and techniques like Kaizen, Kanban, Jidoka, etc. to achieve LEAN manufacturing. KANBAN is a LEAN and JIT tool to control the flow of raw materials and Work […]

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Toyota Production System (TPS)

Right from the day when organizations started to do ‘Mass Production’, there are a lot of improvements happening in the ways organizations manage their operations and interlinked processes. Organizations adapted to new methodologies and techniques to optimize the processes, reduce defects and cost and increase customer satisfaction. New approaches became popular every day, some of […]

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Control Chart Selection

Control chart is a statistical tool used to monitor whether a process is in control or not. It is a time series graph with the process mean at center and the control limits on both sides of it. (Upper Control Limit & Lower Control Limit). The values lying outside the control limits show that the […]

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Seven Types of Waste

Worldwide, all organizations are concentrating on LEAN manufacturing and LEAN processes. The famous ‘Toyota Production System’, which is being followed in various organizations today also, insists on reducing waste and optimizing their processes. Toyota Production system insists on reducing the three inefficiencies to attain a LEAN process. They are: While ‘Muri’ and ‘Mura’ are taken […]

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Basic Statistics

Collecting and analyzing data forms a major part in a Six Sigma project or any other continuous improvement initiative. All of the stakeholders in a Project, right from Champions to Yellow belt members must be aware of the basic Statistics used. Though the Green belt and Black belt members will own the responsibility of analysis, […]

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Gage R & R

In any process, Variation is the reason for most of the problems like customer complaints, defects, inefficiency and many other problems. The variation might arise in different ways: one from the process, and also from the measurement system used for measuring process performance. While we would want to concentrate on reducing the process variation, if […]

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ANOVA – Analysis of Variance

ANOVA stands for ‘Analysis of Variance’. It actually means analysis of variation in means of different groups of a population or different populations. It is an advanced version of t – test. While t-test is used to compare two means, ANOVA can be used for more than two means. What does an ANOVA do? It […]

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Regression Analysis

Regression Analysis is a technique used to define relationship between an output variable and a set of input variables. It establishes the relationship ‘Y’ variable and ‘x’ variable mathematically, so that with known values of ‘x’, ‘y’ variable can be predicted. There are several types of regression like Simple Linear Regression, Multiple Linear Regression, Curvilinear […]

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Business Process Mapping

Business Process Mapping is an activity that details and analyses how work (and other inter-related tasks) are performed to achieve a business value. It is a structured way of identifying and analysing how work flows into and out of the system in various forms, and various people. All businesses are for the purpose of achieving […]

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Histogram

Most of us (Quality Professionals) deal with data in our day to day operations. Often, we come across situations where we have to analyze data and interpret to management about the behavior of certain groups of items. To present the data in a simple and catchy manner, we use graphical tools sometimes. There are a […]

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Ishikawa Diagram

Ishikawa Diagram otherwise known as Fishbone diagram is one of the tools most commonly used by Quality Professionals. The purpose of this tool is to list down ALL the potential root causes leading to a problem. Thus it is one of the important tools used for problem solving methods like DMAIC, PDCA, and many other […]

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CTQ Tree

You already know CTQ stands for Critical to Quality. CTQs are parameters that define in business words, the requirements of the customers. CTQs are very important while developing a product or service. In Six Sigma and other continuous improvement projects too, CTQ plays a critical role as the main purpose of many of these projects […]

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