During which phase of DMAIC is the sole perpose to demonstrate which fact and data that your solutions solve the problem?

The phase of DMAIC where the sole purpose is to demonstrate which facts and data your solutions solve the problem is the "Improve" phase. In this phase, solutions are developed, tested, and implemented to address the root causes identified in the Analyze phase. The focus is on quantifying the improvements and verifying that the changes lead to the desired outcomes, ensuring that the solutions effectively resolve the identified issues.