Statistical Quality Control on Weight of Empty Lipton Tea Carton at Nampak Carton Nigeria Limited

Abstract

Quality control process assures that the product being developed is of the required quality which includes inspection, deliverable peer reviews and software testing process. Quality control helps any company that manufactures a product or provides a service to improve customer satisfaction by consistently delivering quality products or services, reducing wastage of resources and increasing efficiency and profits for the company. This research work deals with the statistical quality control on the weight of empty Lipton tea at Nampak carton Nigeria Limited Oyo State, within six working days (Monday - Saturday). The data used in this research is secondary data, it was collected from the Nampak database and the method of data analysis used in the research is a control chart and test of randomness, in order to monitor the process and effectiveness of the data. After using various tools like an x-bar chart, R-chart, and Test of randomness, it was discovered that the weight of the product is within control limit both at the upper and lower control limit.