Question: For the given data, the R= inches (round your response to four decimal places). The control limits for the 3-sigma R-chart are: Upper Control Limit

For the given data, the R= inches (round your

For the given data, the R= inches (round your response to four decimal places). The control limits for the 3-sigma R-chart are: Upper Control Limit (UCLR) = inches (round your response to four decimal places). Lower Control Limit (LCLR) = inches (round your response to four decimal places). Based on the R-chart, is one or more samples beyond the control limits? 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: Sample Range (in.) Sample Sample Mean (in.) Range (in.) 1 2 3 Sample Mean (in.) 8.502 8.504 8.491 8.506 8.499 8.497 7 8 9 0.033 0.041 0.034 0.051 0.031 0.036 8.501 8.507 8.497 8.501 8.503 8.508 0.041 0.034 0.027 0.029 0.039 0.047 4 5 6 10 11 12

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