Six Sigma by Mikel J. Harry

The Breakthrough Management Strategy Revolutionizing the World's Top Corporations

A practical guide to a data-driven quality improvement methodology that teaches organizations how to reduce defects and variation to improve performance and profitability. It explains the DMAIC problem-solving framework (Define, Measure, Analyze, Improve, Control), introduces statistical and process-analysis tools for root-cause identification, and covers project selection, measurement of financial impact, and the roles and training needed for successful deployment. Emphasis is placed on rigorous measurement, cross-functional teamwork, and cultural change to sustain continuous improvement across manufacturing and service environments.