This foundational book by Prof. Dr. Mohammed Jassim Al-Yasiri serves as a comprehensive introduction to both descriptive and inferential statistics, tailored for students and researchers in the educational field. It systematically guides readers through essential concepts, from data organization and measures of central tendency to hypothesis testing and inferential analysis. The text equips readers with the necessary skills to analyze educational data, interpret research findings, and make data-driven decisions. It is an indispensable resource for anyone seeking a solid understanding of statistical methods and their practical application in education.