نماذج التنبؤ بالمبيعات : دراسة حالة شركة ALGAL للألمنيوم

Abstract EN

The purpose of using quantitative methods to forecast sales is seen by the researcher as scientific way of study.

Observation and development of data and to predict the future,therefore check the validity of the hypothéses,through data collection,record and analyze carrfully and accurately with letting space of some kind of imagination .

which will permit us to analyze if the results that are reached show some degree of accuracy and realism.

In this dissertation, we performed an empirical study aiming to predict future sales of the company « ALGAL » and that the use of statiscal techeniques and to resort to one of thequantitative methods known « Box,Jenkins » which is one of the most comprehensive and accurate.After comparing the results obtained with the prediction submitted by officials of the organization,and olso with the sales archieved in reality we have to conclude that the scientific methods are the best and most accurate way to arrive at estimates close to reality .