One of the important sources of Iraq's income is crude oil, most of which is exported directly and a part of which will be converted into other products needed in refineries. In this thesis, we will examine and dissect the information on one of Iraq's refineries. For this purpose, while describing the information related to the production of that refinery using the techniques available in descriptive statistics, an attempt will be made to provide appropriate models for predicting the amount of production of the products. In the end, we will arrive at the final model for each product by using the model selection criteria, and we will act on the forecast for the next six periods using the selected final model.
