Question $10(1$ point$)$

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Plots of defect rates indicate that the most recent value is below the lower control limit$.$ What course of action would you recommend?

a$)$ Process is not in control; investigate what led to this observation.

b$)$ The process is out of control; reject the last units produced.

c$)$ Lower than expected dispersion is a desirable condition; there is no reason to investigate.

d$)$ None of the above.