Statistical quality control in the production of Pepsi drinks

This research work was carried out in other to study the importance of statistical quality control and its application in monitoring process of manufacturing industry. With 7UP bottling company as a case study, this project investigated if there is any significant difference in Brix level and gas volume in a 50cl Pepsi irrespective of different machines. The data collected was on the volume of sugar and CO2 of the product for 30 consecutive days (30 samples) in the month of June, 2015, from 5 different machines by the Quality Assurance Department of 7UP company plant in Kaduna North, Kaduna, Nigeria. The investigation was carried out using the descriptive statistics; Statistical Quality Control tool such as X¿-Bar and R charts, Average Run Length, Tabular Cusum and One-way Analysis of Variance to determining the statistical disposition of the process. The data was analyzed using Minitab-16 and PASW-20.0 software applications. The findings showed that there was no significant difference for the sugar and CO2 volume between the five machines used for the productions.