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Twelve samples, each containing five parts, were taken from a process that produces steel rods at Emmanual Kodzi's factory. The length of each rod in
Twelve samples, each containing five parts, were taken from a process that produces steel rods at Emmanual Kodzi's factory. The length of each rod in the samples was determined. The results were tabulated and sample means and ranges were computed. The results were:SampleSample Mean inRange inSample Sample Mean in Range ineteeteFor the given data, the x inches round your response to four decimal placesBased on the sampling done, the control limits for sigma x chart are:Upper Control Limit UCL; inches round your response to four decimal placesLower Control Limit LCL; inches round your response to four decimal placesBased on the Xchart, is one or more samples beyond the control limitsFor the given data, the R The control limits for the sigma Rchart are:inches round your response to four decimal places
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