Final answer:
The Product Owner actively participates in the Sprint Retrospective by collaborating with the team, identifying areas of improvement, providing customer insights, and helping to prioritize user stories for future sprints.
Step-by-step explanation:
During the Sprint Retrospective, the Product Owner plays an important role in the team's reflection and improvement process. They collaborate with the Scrum Master and the development team to identify areas of improvement and discuss any issues or challenges that arose during the sprint. The Product Owner also provides valuable insights and feedback from the customer's perspective, helping to refine the product backlog and prioritize user stories for future sprints.