The project sponsor is the person who provides the authority, funding, and support for the project. The project sponsor can also help to influence and engage the key stakeholders who are essential for the success of the project. If several stakeholders have declined the invitation for the kickoff meeting, which is an important event to establish the vision, scope, and expectations of the project, the project manager should escalate this issue to the project sponsor and seek their assistance to ensure the participation of the stakeholders1, p. 47

Option C shows a graph that most likely represents the observed relationship in this scenario. The graph shows a learning curve, which is a graphical representation of the relationship between a learner's performance on a task and the number of attempts or time required to complete the task. The learning curve theory proposes that a learner's efficiency in a task improves over time the more the learner performs the task. In this case, the IT intern was able to complete more set-ups in less time as they gained more experience and proficiency over the two-week rotation12

The project manager can use the survey results as an input for performance feedback for the project team members. Performance feedback is a process of providing constructive and timely information on the performance of individuals or teams in relation to project goals and expectations. Performance feedback can help to motivate, improve, and recognize project team members345 The survey results can be used as an input for performance feedback. Performance feedback involves analyzing and evaluating the performance of the project team and project management against the project plan, including identifying areas for improvement. The survey results can help identify these areas for improvement and provide feedback to the project team on their performance. References: CompTIA Project+ Study Guide Section 4.1.1

The next step in the process after defining tasks, durations, resources, and costs is to seek baseline approval. A baseline is an approved version of a project plan that serves as a reference point for measuring progress and performance throughout the project lifecycle. A baseline typically includes scope, schedule, cost, quality, and risk parameters. Seeking baseline approval involves presenting the project plan to key stakeholders and obtaining their formal agreement on the project objectives and deliverables. Baseline approval can help to establish clear expectations, avoid scope creep, and facilitate change control during project execution.
The NEXT step after defining tasks, durations, resources, and costs during the planning phase is to seek baseline approval. Baseline approval involves finalizing the project plan and gaining approval from stakeholders, establishing the plan as the baseline for the project's performance. References: CompTIA Project+ Study Guide Section 3.4.1