Control chart limits as percent of actual mean
Dear community, I'm working in pharma industry and I would like to build a control chart according to pharmacopoeia guideline EP 2.9.5. The test is as follow: - weight 20 tablets - mot more than 2 should deviate more than 7.5% from the observed mean - none should deviate more than 15% from the observed mean I there a way to set the limit in the control chart to 7.5% of the mean and 15% of th...