Basic question regarding CUSUM SPC Charts in JMP
@martindemelCUSUM charts in JMP are based on the target and the sigma values, which are being calculated by JMP. In my understanding, the target value is the mean and sigma is the standard deviation of the data set.However, JMP generates values which are different to the mean and the standard deviation.I'm wondering what JMP is exactly calculating. The following JSL shows the differences:Names Def
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