Reler to Tabhe S6.1 - Factors for Computing Control Chart Limits. (3 sygma) for this problem. Twelve samples, each containing five parts, were taken from a process that produces steel fods at Emmanual Kodzi's factory. The length of each rod in the sam and sample means and ranges were computed The results were: For the given data, the x= inches (round your response to four decimal places)