Critical to x (CTx) is a Design for Six Sigma approach that refers to the key factors that are essential for the successful completion of a project or process.
These factors may be identified through a CTX tree.
Critical to X factors
The following is a list of Critical to X factors: Critical to quality (CTQ) CTQ tree Critical to cost (CTC) Critical to process (CTP) Critical to safety (CTS) Critical to delivery (CTD)
References