Application of Statistical Quality Control on AdaPoly Sachet Water, Adamawa State Polytechnic, Yola Nigeria

It is a well-known fact that Variation is a basic law of nature in a production process, while Statistical Quality Control is a statistical techniques designed for measuring, monitoring, controlling and improving or eliminating variation in a production process. Hence, this study aimed at determines the Statistical Quality Control of AdaPoly Sachet Water, Adamawa State Polytechnic Yola. The study used cross-sectional design with quantitative approach. A primary data was obtained from the production site of Adapoly Sachet Water for a period of four hours. Each hour, 20 samples of Adapoly Sachet Water were randomly selected, weighed and recorded. The study used Chart  and R-Chart of 3δ-control limits to determine the statistical quality control of the production process. The result revealed that both the Chart and R-Chart of the 3δ-control limits fall within the range of lower and upper control limits, indicating that the production process is under control. Since production process has no chance and assignable causes of variations, the management of Adapoly Schact Water need to maintain this quality standard. The management should also expand the production and improve on their marketing strategies in order enhance and boost the internally generated revenue of the institution.