A machine has a standard deviation of 0.140 mm and a specification of 12.0 +/- 0.57 mm to make holes that need to be drilled into an electrical panel.
Capability Ratio: 1.36
E. If the machine tooling continues to wear and you were plotting a control chart,
(A) You would discover a non-random pattern with more dispersion
(B) You would discover a random pattern and would be foolish to pursue a solution
(C) A and B.