Question: Use all 60 observations on oxide thickness. (a) Set up an individuals control chart with estimated by the average moving range method. (b) Set

Use all 60 observations on oxide thickness.
(a) Set up an individuals control chart with σ estimated by the average moving range method.
(b) Set up an individuals control chart with σ estimated by the median moving range method.
(c) Compare and discuss the two control charts.

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