ABSTRACT

The desire to carry out this research work was motivated by the rate of high inferior or substandard products in our nation. The aim of this research work is to reduce or possibly eliminating the rejection of products by consumers by eliminating assignable cause(s) of variation in the production system of Peacork Nigeria Limited, Uyo which is the case study of the research work and to establish a state of control as the basic for determining when future observations, are in control. Monthly data on the quality characteristics of interest within the period 2008-20 10 was collected from the quality control department of the company and control chart for variable specifically chart, R Chart and Cusum Chart were used in the analysis using a Statistical Software called MINITAB. It was observed alter the analysis that assignable cause of variation entered into the production of Peacork White Emulsion Paint since Chart for pH and Cusum chart for viscosity indicate out of controL However, Homo-genization was done and the process became under statistical quality control, it was recommended among other things that the company should establish a standard quality control Chart for monthly testing of variabifity not only in white emulsion paint production but also in the production of all their products to avoid rejection by consumers and to save them from incurring losses.