Attribute control charts would not be used to display the:
A)proportion of nonconforming parts.
B)sample range for a measured variable.
C)total number of nonconforming parts.
D)average number of nonconforming parts.

Question

Quizplus · Accepted Answer

Attribute control charts are used to display the proportion, percentage, or number of nonconforming items in a sample or population, as well as the average number of nonconforming items. However, sample range is a measure of the dispersion or variability of a measured variable, which is better displayed using a variable control chart. Therefore, B is the correct choice because it does not fit the purpose of an attribute control chart.

Attribute Control Charts Would Not Be Used to Display The