This course is a required course designed for Engineering Master of Computer Science in TIEI. This course will systematically describe data file processing, the basic knowledge of probability and statistic, parameter estimation, hypothesis testing, variance analysis, regression analysis and so on. The purpose of this course is to equip students with the basic knowledge of data analysis, teach students how to apply scientific statistical theory and methods to understand objective things, enhance student’s ability to analyze and solve practical problems and lay the foundation for other courses.