----------------- is one of the strategy for customery retention.

In SPC, ---------------- are tools which allow for easy collection and anaysis of data.

ISO 14000 is a generic standard primarily concerned with 

The control chart for variable is 

Find the median of the given Data 

529, 429, 593, 421, 583, 430, 408, 557, 575, 437

In quality control, ------------ represents the cost incurred for all the materials and activities when the job has not been done right the first time.