Question: A paper mill has decided to implement a control chart to monitor the weight of the paper that it is producing. DS 16.6.1 contains the

A paper mill has decided to implement a control chart to monitor the weight of the paper that it is producing. DS 16.6.1 contains the weights in g/m2 of n = 3 random paper samples collected at k = 22 different points in time.
(a) Does it look as though the paper producing process was in control when this data set was collected?
(b) What control charts would you suggest are used to monitor future runs of paper production?
(c) What conclusion would you draw if in the future a sample x1 = 76.01, x2 = 73.42, and x3 = 72.61 is obtained?
(d) What if x1 = 77.82, x2 = 79.04, and x3 = 75.83?

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