Questions: Lean and Six Sigma share in common all of the following issues, except - They both focus on continuous improvement They both focus on customer satisfaction They both require long learning curves They both require top management commitment

The answer is the third one: They both require long learning curves.

Explanation for each option:

1. They both focus on continuous improvement: This is correct. Both Lean and Six Sigma methodologies emphasize the importance of continuous improvement in processes to enhance efficiency and quality.
2. They both focus on customer satisfaction: This is correct. Both methodologies aim to improve processes in a way that ultimately leads to higher customer satisfaction by delivering better quality products and services.
3. They both require long learning curves: This is incorrect. While both Lean and Six Sigma require training and understanding, they do not necessarily require long learning curves. The principles and tools can be learned and applied relatively quickly, especially with proper training and support.
4. They both require top management commitment: This is correct. Successful implementation of both Lean and Six Sigma requires strong commitment and support from top management to ensure that the necessary resources and cultural changes are in place.

Summary: Lean and Six Sigma share in common the focus on continuous improvement, customer satisfaction, and the need for top management commitment. However, they do not necessarily require long learning curves, making the third option the correct answer.