The Challenge: Individuals from the Centre Region branch of the Skills workforce were hired by a local manufacturer to assemble 4 ml. and 2 ml. vials for the production of liquid chromatography columns that are used in chemical laboratories across a multitude of industries. These vials act as sample vessels for testing different substance molecules to ensure they meet strict industry specifications. Under the direction of Mary Kay Fultz, vocational and industrial services manager for the Centre Regional Office, Skills workers assemble vials by attaching blister caps to vial bottle tops…
The Solution: Fultz and the Skills quality improvement team collected data on the number of defective bottles its workers found in each box delivered by the supplier. The team recorded the number of rejects in each box and entered that information into a Minitab worksheet, which put them in position to quickly analyze the data and find out more about the defective supply. Fultz knew she wanted the analysis to help her examine the proportion of defective vial bottles and assess the stability of the process, but she wasn’t quite sure where to begin…
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