What are the two types of control charts for attributes?
A) p and c
B) x-bar and p
C) x-bar and R
D) R and c
E) p and R

Question

Quizplus · Accepted Answer

The two types of control charts for attributes are p-chart and c-chart. The p-chart is used when the sample size is constant and the actual proportion defective may vary, while the c-chart is used when the sample size is variable and the actual count of defects may vary.

What Are the Two Types of Control Charts for Attributes