What basic quality tool should a project manager use to understand the relationship between testing hours and the number of identified defects?

Which of the following choices indicates that a project has a burn rate of 1.2? Hint: Burn rate is the same as the Cost Performance Index

A complex system is being replaced and detailed requirements have just been completed While the project is just beginning the execution phase the project manager receives a call from a key stakeholder on a critical function that must be added. The stakeholder assures the project manager that this change does not impact the existing cost or schedule.
What should the project manager do next?

A project team was established for a community impacted by oil and gas exploration activities. The team is required to interact with several external stakeholders. The local council authority has requested a meeting with the project team to discuss the impact of the project on the community. The project manager was not available at the time of the meeting, and the team was in disagreement regarding who should attend the meeting.
What should the project manager have done to prevent this conflict?

Assume you are managing an international project. Your team is located in Atlanta, Georgia, US; Berlin, Germany; and Melbourne, Australia. You and your sponsor are located in Paris, France, and your customer is located in Athens, Greece. Recognizing the different locations of the stakeholders in your project in its initial stages, a best practice to follow in terms of working toward project success is to______________