Statistical process control is a tool primarily for?

A) identifying process variability due to natural occurrences

B) accepting or rejecting individual products or service instances

C) identifying process variability due to nonrandom causes

D) training workers for a production or service process

2)

___-charts monitor within-sample variation, while ___-charts monitor across-sample variation.

A) x, R

B) R, x

C) p, c

D) c, p

3) In a process where a large number of defects are likely to occur?

A) Cp < 1.0

B) Cp = 1.0

C) Cp > 1.0

D) Cp = Cpk