A graphical tool used to help determine whether a process is in control or out of control is a _____.
A) scatter diagram
B) histogram
C) control chart
D) None of the answers is correct.

Question

Quizplus · Accepted Answer

A control chart is specifically designed to monitor the performance of a process over time, allowing users to quickly identify whether a process is operating within its expected range of variation (in control) or not (out of control). Scatter diagrams and histograms can be useful tools in analyzing data, but they are not specifically designed to assess process stability.

A Graphical Tool Used to Help Determine Whether a Process