Abstract
ABSTRACT Six sigma is considered to be one of the most developed thoughts of comprehensive quality, it aims to elevate the production, services, administrative, and technical institutions via two elements that have impact on the quality processing; they are: defect and delay in products delivery. Thus, the methodology of six sigma tries to reach 3.4 defect unit per million. This paper reviews the philosophical administrative and statistical six sigma and test the applicability using six sigma indicators. .
