Question: A manufacturing process is to be monitored by X and R charts. With the purpose of establishing the control limits, 25 samples have been taken,

A manufacturing process is to be monitored by X

A manufacturing process is to be monitored by X and R charts. With the purpose of establishing the control limits, 25 samples have been taken, and each of these samples consists of 7 inspected items. Based on the samples X = 1998.8 and R= 4.056. a) Determine the control limits for the X and R charts. b) Assuming that the process is in-control, determine its actual and potential capability if the LSL = 1995 and the USL = 2005. The exercise above is to be solved on a separate piece of paper. A photo is to be taken of Your solution and this photo is to be uploaded into the Moodle system. The results are evaluated by the lecturer. Note that only hand-written solutions containing each of the necessary steps are accepted

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