Question: Continuing the previous problem, suppose that the given production process has been modified in an effort to reduce the variation in the proportion of defective

Continuing the previous problem, suppose that the given production process has been modified in an effort to reduce the variation in the proportion of defective items. An additional 25 samples that share a common size of 200 are gathered, and the number of defective items in each sample is recorded in the file P20_18. xlsx. Have the refinements to this system achieved the desired result? Explain why or why not.

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Sample Number Sample Size Number Defective 1 200 11 2 200 9 3 200 10 4 200 9 5 200 10 6 200 11 7 200 10 8 200 9 9 200 9 10 200 10 11 200 11 12 200 10 ... View full answer

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