[Solved] Statistical Process Control Model (25 points): Four samples of three observations each have been taken, with actual measurements (in centimeters)
Question: Statistical Process Control Model ( 25 points):
Four samples of three observations each have been taken, with actual measurements (in centimeters) shown in the table below. Construct three-sigma control limit \(x\) -bar and \(R\) charts, and determine if corrective action is needed.
(Note: For x-bar chart analysis, do not calculate the standard error term, simply use the control limit factor table [Table 10.3 in your textbook ] to determine the UCL and LCL. Also you need to provide detailed steps of calculating the UCL's and LCL's, plus the two control charts, along with your discussions/decisions.)
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