Surface Tension vs Interfacial Tension. Both surface tension and interfacial tension are effects based on liquids. Both these effects take place due to the unbalanced intermolecular forces between the liquid or solutions molecules.
Statistical process control (SPC) is a method of quality control which employs statistical methods to monitor and control a process. This helps ensure the process operates efficiently, producing more specification-conforming product with less waste (rework or scrap).
statistical procedure - a method of analyzing or representing statistical data; a procedure for calculating a statistic. statistical method. method - a way of doing something, especially a systematic way; implies an orderly logical arrangement (usually in steps)