Question: Control charts for X and s are maintained on the resistance in Ohms of an electrical part. The subgroup size is 6. After 25 subgroups,

Control charts for X and s are maintained on the resistance in Ohms of an electrical part. The subgroup size is 6. After 25 subgroups, gX= 2046.5 and s = 17.4. If the process is in statistical control, (a) Determine the centerline, control limits, and process capability, (b) If the resistance of the electrical part is required to be maintained within 82±0.5 Ohms, what can you conclude regarding its ability to meet specifications, and what are your suggestions for improvement.

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