ROLE OF SIX SIGMA STRATEGY TO IMPROVE THE QUALITY OF PRODUCTION PROCESSES TO SUPPORT INDUSTRIES IN THE KINGDOM OF SAUDI ARABIA

The objective of the study was to determine the relationship between research variables and to validate the considered study hypotheses. To set a specific mechanism for how to implement the Six Sigma strategy in the industrial establishments in the Kingdom of Saudi Arabia. A random sample was taken from workers at the factories of the National Group of Industry in Riyadh Saudi Arabia at different levels of administration and various specialties (senior management - engineers - technicians - workers - administrators). Total 148 samples were retrieved and considered as usable. All the considered hypotheses were tested and found valid. A significant relationship was found between the application of Six Sigma methodology and the achievement of the competitive advantage of the national industries in the Kingdom of Saudi Arabia. In addition, second main hypothesis has been validated and found a significant relationship of statistical significance between the opinions of the study sample on the availability of the ingredients for applying the Six Sigma methodology and the following demographic and functional variables to them such as (gender, age, experience, educational qualification, specialization). Further, there is a statistically significant effect relationship between the application of Six Sigma methodology and product quality, the policy of continuous improvement, the quality of production processes, the policy of focusing on customers, the provision of trained human cadres