OBEI Six Sigma White Belt Introduction
Six Sigma
Purpose of Six Sigma
Key Elements of Six Sigma
Applications of Six Sigma in Various Industries
Exercise Files
OBEI – Six Sigma White Belt – Module 01
Six Sigma
The name "Six Sigma" comes from the concept of statistical "sigma" (σ), which measures the variation in a process. In simple terms, Six Sigma aims for no more than 3.4 defects per million opportunities, which represents a very high level of quality.
Purpose of Six Sigma
Key Elements of Six Sigma
Applications of Six Sigma in Various Industries
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OBEI – Six Sigma White Belt – Module 02
In this module, we’ll be laying the groundwork by exploring the core concepts and essential terminology that form the foundation of the Six Sigma methodology.
Before we dive into tools or techniques, it’s critical to first understand what Six Sigma is, what it aims to achieve, and the language it speaks. You'll encounter terms like defects per million opportunities, process variation, standard deviation, and roles like Green Belt and Black Belt.
These aren't just technical terms — they are the building blocks that support data-driven decision-making and continuous improvement across any organization.
By the end of this module, you’ll be equipped with the key terminology and a solid conceptual understanding that will prepare you for the next stages of your Six Sigma journey."
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OBEI – Six Sigma White Belt – Module 03
Module 03 - Six Sigma Principles
The Six Sigma Principles guide us as we apply the DMAIC framework the very heart of the Six Sigma methodology. These principles include:
• Customer Focus
• Data-Driven Decision Making
• Process Focus
• Continuous Improvement
• Defect Prevention
• Variation Reduction
• Teamwork and Collaboration
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OBEI – Six Sigma White Belt – Module 04
Module 04 - Roles and Responsibilities in Six Sigma
Six Sigma is a team-based approach, and each role plays a crucial part in driving change, solving problems, and ensuring that the improvement initiatives are successful and sustainable. Whether you're a leader, a project manager, or a team member, knowing your responsibilities and understanding the dynamics between the roles is key to achieving the goals of Six Sigma.
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OBEI – Six Sigma White Belt – Module 05
Process mapping is a valuable technique used to visually represent the sequence of steps within a process. It enables us to:
Understand how tasks flow from start to finish,
Identify bottlenecks or redundancies,
Pinpoint opportunities for improvement and simplification.
By mapping a process, we gain clarity on how each step contributes to the final outcome, allowing us to drive efficiency and enhance overall performance.
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OBEI – Six Sigma White Belt – Module 06 – Next Steps as a White Belt
Even at the White Belt level, you can play a meaningful role in applying Six Sigma at work. It’s not just about leading big projects—it starts with small, impactful actions.
For example, you can identify and report process inefficiencies, support ongoing team initiatives, or improve your own work processes using basic Six Sigma tools.
You also contribute by participating in brainstorming sessions or assisting with data collection, both of which are vital for problem-solving and decision-making
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