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Five Samples Were Taken, with Five Observations Each

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Five samples were taken, with five observations each.The sample findings are listed below.The sample values represent service times in minutes.
Five samples were taken, with five observations each.The sample findings are listed below.The sample values represent service times in minutes. a.Determine the control limits for the R-chart. b.Would you conclude the R-chart is in statistical control and proceed to develop the x-bar chart?
a.Determine the control limits for the R-chart.
b.Would you conclude the R-chart is in statistical control and proceed to develop the x-bar chart?

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a.R1 = 1.1, R2 = 1...

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