Which approach represents a strategy in which the entire organization is focused on the examination of process variability and continuous improvement?

The answer is "Total Quality Management ".

Total Quality Management (TQM) depicts an administration way to deal with long haul accomplishment through consumer loyalty. In a TQM exertion, all individuals from an association partake in enhancing forms, items, administrations, and the way of life in which they work.  

Total Quality Management (TQM) can be abridged as an administration framework for a client centered association that includes all representatives in constant change. It utilizes methodology, information, and powerful correspondences to coordinate the quality order into the way of life and exercises of the association.