Deck 18: Operational Decision-Making Tools: Acceptance Sampling

Question 1

Six Sigma companies report defective parts per million (PPM) versus the more traditional defective parts per hundred.

Answer 1

True

Question 2

Acceptance sampling is not consistent with TQM's philosophy of zero defects.

Answer 2

FalseTrue

Question 3

A multiple-sampling plan uses the smallest sample size of any sampling plan.

Answer 3

True

Question 4

A sampling plan provides a set of guidelines for accepting rejecting a lot.

Question 5

19. All the following reasons are reasons aAcceptance sampling is still used today for all the following reasons except

A) government regulations.
B) contractual requirements.
C) industry standards.
D) total quality management principles.

Question 6

With a single-sample attribute plan a single sample of size n is selected randomly only one of the items randomly sampled from a larger lotlot and each of the n items is inspected.

Question 7

The simplest form of a sampling plan is a singledouble-sample attribute plan.

Question 8

Acceptance sampling involves the inspection of a non-random sample of n units selected from a larger lot.

Question 9

A lot is rejected if the number of defective units found in a random sample exceeds a predetermined acceptable number of defective units.

Question 10

The consumer's risk is the probability of accepting a lot in which the fraction of defective items exceeds the lot tolerance percent defective (LTPD).

Question 11

A multiple-sampling plan uses the smallest sample size of any sampling plan.

Question 12

Double-sampling plans are often less costly than single-sampling plans.

Question 13

9. The consumer's risk is the probability of rejecting a lot that meets the acceptable quality level (AQL).

Question 14

18. Six Sigma companies report defective parts

A) defective parts per million.
B) defective parts per thousand.
C) defective parts per hundred.
D) no defective parts.do not exist.

Question 15

An operating characteristics (OC) curve is a graph that measures the probability of accepting a lot with no defective items.

Question 16

An operating characteristics (OC) curve is a graph that measures the probability of accepting a lot with no defective items.

Question 17

With acceptance sampling, a lot is either rejected or accepted depending on the number of defects found in a sample.

Question 18

The average outgoing quality (AOQ) is a measure of the expected number of defective items that will pass on to the customer with the sampling plan selected.

Question 19

Acceptance sampling is based on the premise that a lot contains some acceptable number of defective items.

Question 20

Choosing among a single-, double- and multiple-sampling plans is a strategic versus an economic decision.

Question 21

22. A(n) ________________ curve is a graph showing the probability of accepting a lot for different quality levels with a specific sampling plan.
E) operating characteristic (OC)
F) average outgoing quality
G) lot tolerance percent defective h. single-sample attribute

Question 22

21. The _________________ is the maximumrepresents the upper limit to the number of defective items a customer will accept in a lot.

A) producer's risk
B) consumer's risk
C) average outgoing quality
D) lot tolerance percent defective (LTPD)

Question 23

An operating characteristic (OC) curve is a graph that measures

A) the acceptable proportion of defects in a lot to the consumer.
B) the probability of accepting a lot for different quality levels with a specific sampling plan.
C) the probability of accepting a lot in which the fraction of defectives exceeds the lot tolerance percent defective.
D) the maximum number of defective items a consumer will accept in a lot.

Question 24

Is acceptance sampling consistent with TQM?

Question 25

20. The ________________ is the consumer's willingness to accept lots with a small proportion of defective items is known as the acceptable

A) sampling plan.
B) quality level.
C) consumer's risk.
D) producer's risk.

Question 26

23. The ______________________ is the expected number of defective items that will pass on to the customer with a sampling. plan is known as the

A) lot tolerance percent defective.
B) acceptable quality level.
C) average outgoing quality.
D) sampling plan.

Question 27

What is the advantage of a multiple-sampling plan?

Question 28

A(n) ________________ curve is a graph showing the probability of accepting a lot for different quality levels with a specific sampling plan.

A) operating characteristic (OC)
B) average outgoing quality
C) lot tolerance percent defective
D) single-sample attribute