Question: i dont know how to do this plz help Click the icon to view the table of factors for calculating three-sigma limits for the x-chart
i dont know how to do this plz help
Click the icon to view the table of factors for calculating three-sigma limits for the x-chart and R-chart. Assume that only these six samples are sufficient, and use the data to determine control limits for an R- and an x-chart. Compute the range R and the sample mean x for each sample. (Enter your responses rounded to three decimal places.)
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