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1)Range chart illustrates the weak area in the construction process.ans-option B
2)If the item recorded is a fraction of unacceptable parts made in a batch of larger parts, the appropriate control chart is the: percent defective chart (ans-option C)
3)Acceptance sampling :-Acceptance sampling is a major component of quality control and is useful when the cost of testing is high compared to the cost of passing a defective item or when testing is destructive. It is a compromise between doing 100% inspection and no inspection at all.
Acceptance sampling lets the lot of acceptable quality into the manufacturing area and screens out lot that are not acceptable.
ans-Both A and BI hope this would help you,but if you have any doubt regarding this,you can surely ask. :)
thank you! would you be able to work on 6 mre questions ?
An inspector determines that 0.05% of a lot of 400 items are defective. The actual number of defective items is 6. The critical number is 4. This is an example of:
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