Time Series Analysis Of The Monthly Sales Volume Of Nigerian Bottling Company Product "Coke" (2003-2010)

ABSTRACT

 The desire to carry out this research work was motivated by the inherent seasonal variation in the sales of product of bottling companies. The objective is to identify the model that suits the series and forecast future sales. A secondary data was collected on monthly sales of Coke from 2003 to 201Q from Nigerian Bottling Company. Box Jekins method of time series analysis was applied using a statistical software Minitab. ARIMA 211 was found to suit the data after chi square test of model adequate has been used to confirm the model. A 24 months forecast was made and it was observed that the sales of the product (Coke) is declining. The company was advice to rebrand and advertise the product.