Basically, data analysis is the process of studying, analyzing, dismantling, organizing and arranging certain information and data and representing them in charts and graphic forms with the aim of deducing and reaching the required information, whether (percentage of work done, reasons for delay in work, profit and loss ratio, and so on). ) of accurate information that analyzes the work and its results, which enables us to identify the strengths, weaknesses, expectations, methods of developing work and making it better.