Question: Process Control ( 2 0 marks ) A new coin machine printing nickels is being tested by the Mint. Ten samples, with each using 1

Process Control (20 marks)
A new coin machine printing nickels is being tested by the Mint. Ten samples, with each using 10 nickles, are weighed. Each nickle should weigh 5 g and each sample should weigh 50g. The data collected is shown in the chart below:
A) Determine the upper and lower control limits and the overall mean for the x bar chart and the R chart (10 marks)

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