Which of the following can be an effective tool during quality control to help determine the how the problem occurred?

Rework is a corrective action taken to fix a nonconforming product, not a tool for understanding how a problem occurred.

Trend Analysis tracks performance metrics over time to forecast future outcomes, but it does not explain the process steps that led to a specific problem.

Flowcharting diagrams the steps of a process in sequence, allowing quality teams to pinpoint exactly which step introduced a defect or failure. By visually tracing the process flow, analysts can identify bottlenecks, missing steps, or deviations that caused the quality issue.

A Pareto Diagram identifies which problems occur most frequently using the 80/20 rule, but it shows what the problems are rather than how they occurred.