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The Six Sigma approach is a closed loop and continuous improvement process. To understand this continuous approach, an integrated Six Sigma structure can be viewed from two different but correlated perspectives: project (see Figure 6.1) and business (see Figure 6.2) perspectives. From the project perspective (see Figure 6.1), Six Sigma project teams follow
the MAIC discipline to measure the gap between current process capability with
the project's goals, analyze the root causes for defects, improve the process
capability by eliminating the root causes, and control the new process to
sustain the improvements.
Figure 6.1
On the other hand, from the business perspective (see Figure 6.2), Six Sigma
projects are derived from the business strategy plan which sets an
organization's goals and key performance measurements. Based on key business
goals, top management defines Six Sigma projects scopes and organizes the right
project teams. While projects are progressing, top management regularly reviews
the projects and promptly provides political, financial, and technical support.
After the projects are completed, top management audits the projects’ results,
establishes necessary systems to maintain the improvements, and based on the
results continuously adjusts the business strategic action plans.
Figure 6.2
With this integrated framework, organizations can continuously improve their
processes and constantly gain the quantifiable bottom-line results from
satisfied customers. |
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