Question: Control charts are to be established on a certain dimension part, measured in millimetres. Data were collected in subgroup sizes of 4 and are given

 Control charts are to be established on a certain dimension part,

Control charts are to be established on a certain dimension part, measured in millimetres. Data were collected in subgroup sizes of 4 and are given below: a) What is the process mean? b) What is the process standard deviation (use both methods)? c) Construct a three-sigma control chart for X and R charts. d) Construct a three-sigma control chart for X and S charts. e) What conclusions can you draw about the ability of the process? Question 5 Control charts are to be established on a certain dimension part, measured in millimetres. Data were collected in subgroup sizes of 4 and are given below: a) What is the process mean? b) What is the process standard deviation (use both methods)? c) Construct a three-sigma control chart for X and R charts. d) Construct a three-sigma control chart for X and S charts. e) What conclusions can you draw about the ability of the process? Question 5

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