A production manager at a pottery factory has noticed that about 70% of defects result from impurities in raw materials, 15% result from human error, 10% from machine malfunctions, and 5% from a variety of other causes. This manager is most likely using a
A) Pareto chart.
B) scatter diagram.
C) Taguchi loss function.
D) cause-and-effect diagram.
E) flowchart.

Question

Quizplus · Accepted Answer

A Pareto chart is a type of chart that contains both bars and a line graph, where individual values are represented in descending order by bars, and the cumulative total is represented by the line. The scenario described fits the use of a Pareto chart because it is focusing on identifying the major causes of defects in a process, which is exactly what Pareto charts are designed to do: prioritize problems or causes of a problem to focus efforts on the most significant issues.

A Production Manager at a Pottery Factory Has Noticed That