Process Capability & Performance (Pp, Ppk, Cp, Cpk) are indicators of the specification relative to process dispersion and process centering.
Evaluating the measurement systems (EMP Studies) is an essential step during the product development phase as impacts the product output.
A product may have many defects – imperfections. But a product is not defective unless the defects prevent the product from functioning.
A Scatter Analysis is used when you need to compare two data sets against each other to see if there is a relationship.
The T distribution and T tests are used to determine the likelihood of various conditions occurring for small sample sizes (<=30).