Please explain your answer Please Explain your work: A useful attribute control

Question

Please explain your answer

Please Explain your work: A useful attribute control chart for plotting the actual number of non-conforming parts found during an inspection where at each inspection we sample a fixed number of parts is known as the: A. X-bar and R chants B. p chart C. rip chart D. c chart E. u chart If we use acceptance sampling. good lots always are accepted. A. True B. False If inspection is destructive, then 100% inspection is preferred instead of sampling. A. True B. False A metric used to evaluate the quality of the batches leaving the inspection station for a specific sampling plan is: A. OC B. AOQ C. ATI D.ASN E. All of the above

Explanation / Answer

Question 1. Here we actually plot the non - conformities so we would use c - chart here. Option D is correct.

Question 2 . Acceptance sampling uses statistical sampling to determine whether to accept or reject a production lot of material. It has been a common quality control technique used in industry. It is usually done as products leaves the factory, or in some cases even within the factory. So, that's not always that good lots are accpeted as only a sample is evaluated.

So answer is false.

Question 3

False, in destructive insepection, we only have to sample until we find the specified number of nonconformities. SO the statements is false.

QUestion 4

Hee option B is correct. AOQ

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