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 […] Read more

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, […] Read more

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 […] Read more

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 […] Read more

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 […] Read more

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 […] Read more

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 […] Read more

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 […] Read more

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 […] Read more

A Project leader, is a role performed by an assigned, trained individual to lead a project to success. Project Leaders can hold any designation in an organization based on the role they may have to play in the project. A project can be either short term or long term. If the project is short term, […] Read more

Individual Moving Range or as it’s commonly referenced term I-MR, is a type of Control Chart that is commonly used for Continuous Data (Refer Types of Data). This was developed initially by Walter Shewart and hence the Control Charts are sometimes also referred to as Shewart Chart. As the term indicates, in I-MR we have […] Read more