What are common challenges in applying Six Sigma and how can they be overcome?

Six Sigma enhances business strategy and develops competitive advantage opportunities by improving the overall capability of a business' workflow. It helps in increasing customer satisfaction and bottom-line results, reducing variation, waste, and handling time. This leads to the development of competitive advantage opportunities. The implementation of Six Sigma provides a roadmap and new processes that engage the whole team, leading to improved efficiency and effectiveness.

Yes, there are numerous case studies that demonstrate the effectiveness of Six Sigma in reducing waste and handling time. For instance, General Electric, one of the pioneers of Six Sigma, reported savings of over $2 billion during the first five years of its Six Sigma initiative. Motorola, the company that originated Six Sigma, has reported savings of $17 billion since 1986. These case studies highlight the potential of Six Sigma in improving operational efficiency and reducing waste.