Exercise: Graphical Summary
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1. Question
Data File: Graphical_Summary.MTW
Situation:A production engineer wants to investigate the capability of the process that manufactures support beams. The engineer thinks that the process capability might differ between the morning and evening shifts. The engineer measures the thickness of five samples out of 10 boxes from each shift. The thickness must be between 10.44 mm and 10.96 mm to meet customer requirements.
Question:
Before conducting capability analysis or hypothesis testing, let’s look at the data using a graphical summary. What is the mean thickness as quantified by the graphical summary?
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