Question: A process quality engineer collected data on a process and wishes to construct an ewma chart with a target value of 15 , using a

A process quality engineer collected data on a
A process quality engineer collected data on a process and wishes to construct an ewma chart with a target value of 15 , using a lambda of 0.2. The first three measured values are (earliest to last) 15.2,14.90,15.2. State to 3 decimal places the values for the first 3 plotted points Ay

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