formulate core question form the below research objectives :

To investigate the methodology, key features, obstacles, and benefits of Six Sigma practices in the manufacturing industry and other sectors$.$ To identify the factors that influence the successful implementation of Six Sigma projects. To examine the effectiveness of Six Sigma principles and practices in improving productivity and quality performance. To explore the role of organizational culture in successful Six Sigma implementation. To provide recommendations for organizations to implement Six Sigma effectively. The research objective is to investigate the Six Sigma methodology, obstacles, and benefits in manufacturing and other sectors$,$ identify factors influencing successful implementation, and examine the effectiveness of principles and practices in improving productivity and quality performance.