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Multiple Choice Quiz
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1
Acceptance sampling is a form of inspection applied to batches of previously produced items.
A)True
B)False
2
An OC curve shows the probability of accepting lots with various fractions defective.
A)True
B)False
3
The ability of a sampling plan to discriminate is described by its operating characteristic curve.
A)True
B)False
4
Steep OC curves are less discriminating than less steep curves because they don't cover a wide range of fraction defective.
A)True
B)False
5
The AQL is the average outgoing quality level.
A)True
B)False
6
A producer's risk is the probability that a lot containing acceptable quality will be rejected.
A)True
B)False
7
A producer's risk is the probability of making a Type II error.
A)True
B)False
8
Increasing the sample size will decrease the probability of making a Type II error.
A)True
B)False
9
Which of these would not be a reason for using acceptance sampling?
A)A high volume of low-cost items requires inspection.
B)Boredom and fatigue are factors.
C)A process was out of control and needs to be checked after corrections have been made.
D)Destructive testing is necessary.
10
The cost of replacing a defective item after shipment is $5. The cost of inspecting each item before shipment is $.10. The indifference between 100% inspection and replacement of defectives would be
A)2%
B)4%
C)6%
D)8%
E)10%
11
Which is the correct listing of the elements of an acceptance sampling plan?
A)The sample size, LTPD, and acceptance number.
B)The lot size, sample size, and AOQL.
C)The lot size, sample size, and acceptance number.
D)The lot size, average outgoing quality, and the sample size.





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