Significance of Six Sigma
WHAT IS SIX SIGMA?
Six Sigma is a highly disciplined process that helps a company focus on developing and delivering near perfect products and services. Six Sigma at many organizations simply means a measure of quality that strives for near perfection. Six Sigma is a disciplined, data-driven approach and methodology for eliminating defects (driving toward six standard deviations between the mean and the nearest specification limit) in any process – from manufacturing to transactional and from product to service.
The fundamental objective of the Six Sigma methodology is the implementation of a measurement-based strategy that
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As a Management System, Six Sigma is used to ensure that critical improvement opportunity efforts developed through the Metrics and Methodology levels are aligned with the firm’s business strategy. The focus of this paper, however, is on the application of Methodology for business process improvement within the financial reporting process. The core of the Six Sigma Methodology level is DMAIC which stands for define, measure, analyze, improve, and control. These are explained in detail in the following sections. In the Define phase, the project team must work closely with stakeholders to clearly define the problem statement, project scope, budget, schedule, and constraints. Understanding customer (internal and external) requirements is the key to achieving the project’s goal. The team has to define problems and goals of the project that are consistent with customer demands and with the firm’s business strategy. Process mapping and “voice of the customer” (VOC) tools are iterative techniques recommended as a means of incorporating customer requirements. During the Measure phase, the team creates a value stream mapping (VSM) of the process, capturing the flow of information—where and what information is needed. Then, based on the VSM, the team starts collecting data relevant to measuring the current process performance relative to the project’s goals. The most important