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1) Obtain (population mean) with 75% two-sided confidence interval for the generated random numbers in part 1. 2) Obtain both R chart and X-bar chart
1) Obtain (population mean) with 75% two-sided confidence interval for the generated random numbers in part 1.
2) Obtain both R chart and X-bar chart for the following data set (below). Are there any "out-of-control" signals present in the charts?
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