This book is mainly intended for undergraduate students of Commerce, Management and Statistics and the beginners who want to learn about business statistics. The main objective of writing this book is to facilitate the students and the readers to get thorough knowledge about the methods and techniques of Statistics and to enhance their analytical and decision making skills. Further, the motivation to write this book is to transform the wrong notion 'Statistics is dry and difficult to understand and make the subject clear and trouble-free. The book is designed in such a way that the reader can feel simple and interesting to learn the subject and get motivated to think and apply statistics in their day to day operations and decisions also.