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What is Hourly Bath Concentration Data Analysis about?

Bath concentrations are measured hourly in a chemical process, with data over the last 32 hours shown in a table. The process target is 175 ppm. The document asks to estimate the process standard deviation, and construct a tabular CUSUM chart using standardized values of h=5 and k=1/2 to interpret if the process is in or out of control.

Author

Charlotte

Language

EN