New PMP Question & Answers with explanation

All of the following statements are true about the cause-and-effect diagram except:
Select one
You are a project manager for an automotive parts company. Your organization was hired to produce clutches for an exotic car company. This will involve the design and production of custom clutches. During the course of the project, as you review a quality control statistics chart that examines every clutch produced for the month, you notice several cases where the spring component of the clutch is expanding with too much force and is falling outside the upper control limit. Which type of Quality Control tool are you most likely using?
Select one
A team of engineers is reviewing a scatter diagram to determine how the changes in two variables in a new type of automobile tire are related. The closer the points on the diagram are to a diagonal line, _______________.
Select one
A project manager wants to proactively monitor a manufacturing process to determine whether the quality level is within acceptable limits for that process. What tool will help with this?
Select one
You are a project manager working on a project to create high-efficiency electric motors for a company introducing a new electric golf cart. Your company’s president is keenly interested in the project and requests a chart that shows the number of defects by type ordered by their frequency of occurrence. Which type of chart would BEST meet this request?
Select one