Question

Natural variations: a. occur in virtually every process b. represent the many sources of variation that occur when a process is under control c. are tolerated and are within limits, when a process is in control d. all of the above are true.

Answer 1

The correct answer is letter "D": all of the above are true.

Step-by-step explanation:

Variability in manufacturing represents the differences that arise naturally in every step of the production process. Most firms expect a certain level of variation measured with different methods. If the measure is under acceptable limits, then it is said that the variation is in control.