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1 What is the primary reason for doing acceptance sampling inspection at inco To

ID: 325931 • Letter: 1

Question

1 What is the primary reason for doing acceptance sampling inspection at inco To get operators involved in the process It is inexpensive and provides some useful level of information To inform management about non-performing suppliers There is no good reason 2 What is a good reason for calculating DPMO ? At is a good math exercise for training It provides the current defect level for the process in question It is needed to calculate other process information None of the above 3 Data from cost of quality exercises are: Only done as a one time snapshot Seldom used in private companies in the US Done as a last resort in a failing business A way of translating quality issues into profit opportunities 4 Poke-Yoke is a term used for A team training exercise Mistake proofing a process Manufacturing improvements only Gathering data about the process

Explanation / Answer

1. Acceptance sampling is "the middle of the road" approach between no inspection and 100% inspection. 100% inspection will be very expensive and time taking. so to reduce the cost and provide some useful information acceptance sampling is done

Answer : B

2. DPMO : Defects per million opportunity. It is one of the metrics in six sigma to measure the defects level and how process is performing.

Answer : B

3 ) Cost of quality refers to the cost that are incured to prevent,detect and remove defects from the product.

It is way of translating quality issue to profit opportunities by reducing the cost related to return, customer dissatisfaction , loss of customers etc.

Answer : D

4) Poke-Yoke -

Poka-yoke is a technique for avoiding simple human error in the workplace. Also known as mistake-proofing, goof-proofing, and fail-safe work methods, poka-yoke is simply a system designed to prevent inadvertent errors made by workers performing a process.

Answer B

Sigma Level Defects Per Million Opportunities (DPMO) 1 690,000 2 308,537 3 66,807 4 6,210 5 233 6 3.4