Which of the following quality control chart conditions is an indicator that the process is potentially out-of-control?
A)several consecutive data points between the UCL and the LCL
B)a data point below the LCL
C)a data point below the UCL
D)a data point in the outer 1/3 region
E)a data point on the center line

Question

Quizplus · Accepted Answer

A data point below the LCL indicates that the process is potentially out-of-control, as this indicates that the process is producing results outside of the normal range of variation.

Which of the Following Quality Control Chart Conditions Is an Indicator