For this reason, systematic errors in students’ results remain unknown in many cases. In this study, the use of control charts and critical thinking methodologies are applied in laboratory lessons to ...

Quality Control (QC) laboratories are responsible for Stage 3 in the lifecycle of analytical procedures, Continued Procedure Performance Verification. In the lifecycle approach, the QC laboratory ...

Control charts based on nonparametric regression are particularly useful when the in-control (IC) or out-of-control (OC) relationship is too complicated to be specified parametrically. This paper ...

In many aerospace production processes, however, it requires that quality control measures be in place from the time that the first unit of product is produced. Certain types of control charts for ...