Which of the following statements regarding control charts is false?
A) Control charts have a center line that represents an average of the process.
B) Control charts have upper and lower limits that indicate the range of acceptable values.
C) Data points above the upper control limits mean that the product's quality is beyond expectations.
D) All of the above statements are true.

Question

Quizplus · Accepted Answer

Data points above the upper control limit indicate that the process is out of control and requires investigation for potential sources of variation. It does not necessarily mean that the product's quality is beyond expectations.

Which of the Following Statements Regarding Control Charts Is False