Measurement System Drilldown

by | Aug 7, 2020

Even if Gage R&R studies cannot be applied in their purest form, you must be confident that your data represents the process adequately. This can be done by using a Measurement System Drilldown: It prevents you from using data if you do not know where it came...

Data Collection Plan

by | Feb 5, 2020

The data collection plan makes sure that you collect the data in a way that you can later use these data to analyze cause-effect relationships (measuring Ys and Xs at the same time). By deciding which “data we want to have”, the data collection plan...

Control Limit

by | Jan 31, 2020

The control limits are calculated from the data. In a Control Chart, they are displayed as horizontal lines. For normally distributed data, they are an estimation of 3 standard deviations using time order information: Upper Control Limit (UCL) = Mean + 3 Standard...