QUESTION-1 Consider the following data and a) Calculate the Xand R control limits or X and...

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QUESTION-1 Consider the following data and a) Calculate the Xand R control limits or X and S control limits. b) Is the process under control? Is there any assignable cause of variation? c) Estimate the population variance and the population mean. 1 2345 6 7 8 9 Sample 1 34 37 35 38 36 39 37 40 52 Sample 2 34 37 35 38 36 39 3740 52 Sample 3 37 40 38 41 39 42 40 43 55 Sample 4 35 38 41 44 47 50 53 56 68 Sample 5 38 41 44 47 36 53 37 59 47 Sample 6 36 39 42 44 43 43 40 40 45 49 QUESTION-1 Consider the following data and a) Calculate the Xand R control limits or X and S control limits. b) Is the process under control? Is there any assignable cause of variation? c) Estimate the population variance and the population mean. 1 2345 6 7 8 9 Sample 1 34 37 35 38 36 39 37 40 52 Sample 2 34 37 35 38 36 39 3740 52 Sample 3 37 40 38 41 39 42 40 43 55 Sample 4 35 38 41 44 47 50 53 56 68 Sample 5 38 41 44 47 36 53 37 59 47 Sample 6 36 39 42 44 43 43 40 40 45 49