Six Sigma Methodology
Six Sigma is a problem solving methodology that aims to improve business and organizational performance through a variety of methods and tools. Six Sigma primarily identifies and corrects manufacturing and business process defects.
Six Sigma was first introduced in 19th century with the bell curve of Carl Fredrick Grauss. However, it proved to be inadequate and required some corrections. It was revived in the mid-1980s, when Motorola was in crisis. Their product was poor quality and they were struggling to compete with the rest of the market. Motorola had an idea to create Six Sigma Management System and reduce manufacturing variations that caused defects. The results were amazing. The quality of certain Motorola products saw a dramatic increase. This encouraged other large corporations to follow this path. Many companies around the world have adopted Six Sigma with all its tools, and have saved hundreds upon billions of dollars. Project Management Frameworks and Methodologies
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Motorola engineers created a scale to evaluate the quality of processes by evaluating their defects. Six Sigma is the highest quality scale, with 99.9997% of its processes being defect-free. In other words, if you make a million cars cylinders, there will be only 3.4 defects. Six Sigma is a system that ensures that important features perform well compared to their requirements. The higher the level of sigma, the more defects there are. Businesses operate at 4 to 5 Sigma, which means that losses due to poor quality can cost them between 10-15% and 15% of their revenue. The following table illustrates the Six Sigma universal scale. Six Sigma Concepts
Six Sigma methodology is not a narrowly defined term due to its effectiveness and success. Six Sigma is a collection of concepts. Six Sigma can help you solve problems effectively and boost your business and organization.
Six Sigma performance refers to a statistical term that describes a process that produces less than 3.4 errors per million opportunities for defects.
Six Sigma improvement refers to when the key outcomes of a business’ work processes improve dramatically by 70% or more
Six Sigma deployment refers the application of Six Sigma methodology throughout an organization with all the appropriate roles, practices, and procedures that meet accepted standards
Six Sigma uses tools to: Boost performance
Customer satisfaction can be improved
Capacity and capability enhancement
Lower cycle time
Reduce defects and errors
Five DMAIC steps define Six Sigma. DMAIC is a problem solving technique that can help you solve any problems you encounter along the way. It consists of five steps: Define – You need to clearly define the problem and your objectives. Your definition should be precise and include a numerical representation of the problem. It shouldn’t be vague.
Measure – Once you have defined your problem, you will need to determine the measurements you will use to quantify it. Yo