Calculate sample mean & superimpose the frequency histogram, Operation Management

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1. (a) For the measurement data presented below, draw a frequency histogram using a class width of 0.1 mm; calculate the sample means and superimpose their frequency histogram; compare the histograms and comment. (The data is also available as an Excel file on the intranet.)

(b) Assuming the process is stable, determine mean and range chart control limits.

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