PMP Exam Simulator

The most recent project you were managing was to create a waterproof action camera with image stabilization. It has been manufactured with two configuration options that switch between a dual-lens 360-degree recording build or a wide-angle 4K build to suit the users' needs. You started receiving multiple complaints from the customers stating that the batteries of the cameras you manufactured are beginning to last for less than an hour after three months of use. Which of the following tools should your team members use to identify potential causes of this problem?