and answers correctly solved 2026
What is the term for inspecting a random sample of an output from a process and determining if it
produces products within a predetermined range? - correct answer ✔Statistical Process Control
What are two causes of variation? - correct answer ✔Common and assignable
Which of the following is an example of common causes of variation? - correct answer ✔Slight
differences in machines
What are assignable causes of variation? - correct answer ✔Causes that can be identified and
eliminated.
What happens when a plot of data falls outside preset control limits? - correct answer ✔the process is
out of control
A control chart for ______________ is used to monitor characteristics that have discrete values and can
be counted. - correct answer ✔Variables
A control chart for ______________ is used to monitor characteristics that have discrete values and can
be counted. - correct answer ✔attributes
What process width is typically used when computing the process capability index Cp? - correct answer
✔6σ
What does a Cp = 1 tell us? - correct answer ✔It means that the process variability just meets
specifications; the process is minimally capable.