Which statement best describes a quality management system $($QMS$)?$

A QMS coordinates activities to direct and control an organization regarding quality and the reduction of medical errors.

A QMS standardizes the quality activities of an organization so that similar organizations follow the same standards.

A QMS uses statistical and other management tools to document quality assurance activities in order to comply with regulatory requirements

A QMS program adberes to the concepts of the International Organization for Standardization $($ISO$)$ to improve quality and eliminate variables.