20 points 2 Consider X control chart for a outer diameter me

(20 points) 2. Consider X control chart for a outer diameter measure X. Based on three sigma control limits, the following information is obtained. Charts Sample SizeSample FrequencyType Ierror (a) Type II error (B) for 2 o shifts 0.8 0.6 30 min 0.0027 0.0027 10 (10 points) (a) Please calculate ARL and ATS (average time to signal) values when the process has a two-sigma shift. Which chart will you prefer based on this information? Explain.

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