A control chart on which the proportions of nonconforming units in subgroups of size n are plotted versus time is a(n)_____ chart.
B) R
C) p
D) C

Question

A control chart on which the proportions of nonconforming units in subgroups of size n are plotted versus time is a(n)_____ chart.
B) R 
C) p 
D) C

Quizplus · Accepted Answer

A control chart that plots proportions of nonconforming (defective) units versus time is known as a p-chart. The formula for p-chart is p= number of nonconformances/total number of units in a given subgroup.

A Control Chart on Which the Proportions of Nonconforming Units