Which graphical measurement tool provides a pictorial representation of a process?

A flow chart is a graphical measurement tool that provides a pictorial representation of a process by illustrating the steps or stages involved, as well as the relationships between them. It uses various symbols such as arrows, rectangles, diamonds, and ovals to represent actions, decisions, and the flow of information or materials within the process. This visual format allows for easier understanding and analysis of the process, enabling stakeholders to see how different components interact and how the entire system operates.

In contrast, a Pareto chart focuses on identifying the most significant factors in a dataset and is typically used in quality control and improvement processes. A scatter diagram illustrates the relationship between two variables and helps in determining correlations, rather than depicting a process flow. Lastly, a run chart displays data points over time, showing trends or patterns in a dataset rather than the steps within a particular process. Each of these tools serves distinct purposes, but the flow chart stands out for its ability to visually depict processes clearly and effectively.