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  3. the following data are temperature readings from a chemical process...

Question: the following data are temperature readings from a chemical process...

Question details

The following data are temperature readings from a chemical process in degrees Celsius, taken every two minutes. Read the observations down from the left. The target value for the mean is 950.

Set up an EWMA control chart with lambda = 0.2 for this process. Show the EWMAchart.

Interpret the results

953

985

949

937

959

948

958

952

945

972

941

946

939

937

955

931

972

955

960

954

948

955

947

928

945

950

966

935

958

927

941

937

975

948

934

941

963

940

938

950

970

957

937

933

973

962

945

970

957

940

946

960

949

963

963

933

973

930

952

968

942

943

967

960

940

965

935

959

965

950

969

934

936

973

941

956

962

938

981

92

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