Consider the diameter data in Exercise 15-91.(a) Construct
Chapter 15, Problem 99SE(choose chapter or problem)
Consider the diameter data in Exercise 15-91.
(a) Construct an EWMA control chart with \(\lambda=0.2\) and \(L=3\). Comment on process control.
(b) Construct an EWMA control chart with \(\lambda=0.5\) and \(L=3\) and compare your conclusion to part (a).
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