A Control Chart on Which the Proportions of Nonconforming Units $\overline { \mathrm { X } }$

Multiple Choice

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

A) $\overline { \mathrm { X } }$
B) R
C) p
D) C