Question: 1 2 3 4 Sample-1 Sample-2 Sample-3 Sample-4 Sample-5 Sample-6 45 49 52 49 45 48 53 47 55 51 46 41 45 60 52

1 2 3 4 Sample-1 Sample-2 Sample-3 Sample-4

1 2 3 4 Sample-1 Sample-2 Sample-3 Sample-4 Sample-5 Sample-6 45 49 52 49 45 48 53 47 55 51 46 41 45 60 52 44 45 53 41 44 42 44 49 57 57 59 45 49 56 56 57 49 45 46 48 43 48 65 45 48 43 58 46 5 6 7 8 Consider the above past data from a production line (n=8). Fill in the blank cells (in grey color) by assigning any two digit numbers between 45sxs 60. a) Draw X and R charts. Is the process under control? b) What kind of variation is there in this process? If any, which samples indicate that the process is out of control? c) Estimate the population mean and population standard deviation. d) The specification limits are 4974 for the considered dimension. What are the UNTLand LNTL? What is the nonconforming percentage of the production

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1 2 3 4 Sample-1 Sample-2 Sample-3 Sample-4 Sample-5 Sample-5 45 49 52 49 45 48 53 47 55 51 46 41 45 60 52 44 45 53 41 44 42 44 49 57 59 45 49 56 56 57 49 45 46 48 43 48 65 45 48 43 46 5 6 57 7 8 58...

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