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Both DFMEA and PFMEA have similar principles and follow identical steps. Both involve identifying potential failures, their impact, and corrective measures to be taken for reducing or eliminating these potential failures. However, DFMEA and PFMEA differ in a few aspects, such as their focus and the stage in which these two analyses are done. DFMEA […]

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DFMEA and PFMEA

The Y-shaped matrix is a matrix diagram that relates three sets of elements where one set is related to the other two sets in a circular manner. . It can be formed by bending the columns of sets A and B in the T-matrix in such a way that there is an interrelation between the […]

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What is Y-Shaped Matrix Diagram?

Matrix diagrams can be sorted into several types depending on the number of data sets being compared. L-shaped Relates two sets of elements to one another or a single set of elements to itself. T-shaped Relates three sets of elements where there is no relation between the two sets that are related to a common […]

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Different types of Matrix Diagrams

A matrix diagram, also called a matrix chart, is a management and planning tool used for identifying relationships between two to four groups of elements or among elements in a single group. The elements in different groups are placed in rows and columns and relationships among them are analyzed by the team. Symbols indicating the […]

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What are Matrix Diagrams?

In the previous topic, you created a tree diagram. Key issues identified must also be sorted in the order of their importance. A prioritization matrix helps determine the order for dealing with different issues or selecting solutions according to their relative importance. In this topic, you will create a prioritization matrix to identify crucial issues […]

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Prioritization Matrix

An interrelationship digraph, also called a relations diagram or network diagram, is a tool that depicts relationships among different elements, areas, or processes through a network of boxes and arrows. It is usually used by Six Sigma teams to understand cause-and-effect relationships among different factors of a problem.

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Interrelationship Digraphs

The metrics of a Six Sigma project reflect customer needs and ensure that the internal metrics of the organization are achieved. The selection of project metrics is one of the crucial elements in the Define phase of the Six Sigma methodology. Six Sigma project metrics can be categorized into primary metrics and secondary metrics. Primary […]

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Project metrics – Primary Metrics and Secondary Metrics

A project charter is a contract between a Six Sigma project team and a sponsor. It provides a clear, concise description of the business needs that the project is intended to address. Any changes to the critical elements of a project charter need prior approval from the sponsor and consensus from the team members. A […]

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Example of Good Six Sigma Project Charter

Six Sigma projects are primarily focused on customers. The other areas that Six Sigma projects focus on are:

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What are the sources of improvement projects?

Some of the major attributes of CTQ include: A single meaning for each metric across all geographic locations. Defining the process owners who are responsible for tracking the CTQ. Clearly defined defects and opportunities in the process. A consistent measurement system to provide accurate and precise measurements. And, it must be derived from the VOC […]

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CTQ Attributes

An affinity diagram is a tool that is used to organize a large number of ideas, opinions, and issues and group them based on their relationships. Affinity diagrams are generally used for categorizing ideas that are generated during brainstorming sessions and can be particularly useful for analyzing complex issues. The steps for creating an affinity […]

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What are Affinity Diagrams?

To gather the VOC, effective methods for accurately capturing customer requirements are required. Several methods are available to capture the VOC.

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Methods used for Gathering the VOC