New PMP Question & Answers with explanation

You are using a control chart for quality control purposes. Which of the following statements are true regarding control charts?
Select three
Gabriela is responsible for leading project delivery efforts within her department. Currently, she is managing a project that will add a series of new features to a smartphone application that offers users an interactive “virtual friend.” She is managing the beginning and end of the project using a waterfall approach and executing the work by following Scrum practices. At the onset of the project, Gabriela documents how the project will be executed, monitored, and closed. What document is Gabriela creating?
Select one
All of the following are true regarding the Perform Integrated Change Control process except for which one?
Select one
A project manager works within a department that has a PMO. The primary purpose of the PMO organization is to ensure that the department receives the support needed to deliver successful project outcomes, as well as remain compliant with published project governance requirements. What type of PMO is this?
Select one
A project manager interested in gaining insight into areas of team strengths and weaknesses may use which of the following tools?
Select one