Problem: BestStuff

Mark is a newly minted quality engineer at BestStuff Inc. His boss, intending to promote higher qualityin the company, tells him to increase the process capability index of their main product. To this end, Mark decides to increase the upper specification limit and reduce the lower specification limit$.$

$5.$ What happens as a consequence?

$3$ extra credit points

More data is needed to answer the question.

The process capability index does increase, which is why the process quality is reduced.

The process capability index does not increase, because the variation in the process is unchanged.

The process capability index does not increase, because the process capability index would only change if the control limits were changed.

The process capability index does increase, though one might question if the underlying process is really better.