This book is especially relevant for Economics, Commerce and Management students of the contemporary business world and covers all the major topic relevant for them. The topic covered in this book are Introduction to Statistics, Primary and Secondary Data, Data and Tabulation, Measures of Central Tendency, Measures of Dispersion, Correlation and Regression, Time Series, Index Number, Linear equations, Graphs in economics, Arithmetic and Geometric Progression, logarithm and anti-logarithm, Matrices and Determinants, and Probability. Each chapter is provide with solved examples for providing better insight to students, unsolved questions for practice ad Multiple-choice questions (MCQ) with solution to check the understanding of the concepts in the chapter. This book is designed in such a way that student can self-study and practice the subject. Thus, this book will help students in solving problems logically and systematically.