A p-chart _____.
A) is used to monitor the proportion of nonconforming items
B) counts the number of nonconformances per unit
C) uses continuous metrics
D) can have negative lower limits

Question

Quizplus · Accepted Answer

A p-chart is a statistical process control chart that is used to monitor the proportion of nonconforming items in a sample. It is typically used with categorical data, where each item is classified as either conforming or nonconforming. The chart plots the proportion of nonconforming items for each sample taken over time, and allows organizations to detect when the proportion of nonconforming items is outside of an acceptable range. Answers B, C, and D are all incorrect as they do not accurately describe a p-chart.

A P-Chart _____