This book is well-equipped to meet the challenging requirements of the students and teachers alike. It covers a wide range of topics in statistics giving conceptual analysis, multivariate theory and analysis, mathematical formulae and adequate details in Question-Answer form. It furnishes a comprehensive overview of statistics in a lucid manner. The book provides ready-made material for all inquisitive minds to help them prepare for any traditional or internal grading system examination, competitions, interviews, viva-voce and applied statistics courses. One will not have to run from pillar to post for guidance in statistics. The answers are self-explanatory. For objective type questions, at many places, the answers are given with proper hints. Fill-in-the-blanks given in each chapter will enable the readers to revise their knowledge in a short span of time. An adequate number of multiple choice questions inculcate a deep understanding of the concepts. The book also provides a good number of numerical problems, each of which requires fresh thinking for its solution. In this edition some important terms have been added at the end of the book for helping the students. It will also facilitate the teachers to a great extent in teaching a large number of courses, as one will get a plethora of matter at one place about any topic in a systematic and logical manner. The book can also serve as an exhaustive text. UPSC, SSC and all competitive examination candidates would also find this book very useful. With all these features, this is an invaluable book for undergraduate/postgraduate students and faculties of Mathematics and Statistics. About the Author B L Agarwal possesses the degrees of MSc. (Maths); M Stat; & PhD. He had been the Professor and University Head of the Department of Statistics and Mathematics of Rajasthan Agricultural University, Bikaner posted at Rajasthan College of Agriculture, Udaipur. He served the university for thirty one years. Agarwal has also been highly engaged in imparting statistical counselling to the research scientists. He was involved to deliver lectures on specialized topics in premier institutions of India. The author has published a number of research papers in the journals of national and international repute. The author has seven more books to his credit which are in wide circulation in India and also one book abroad. Agarwal has been a reviewer of the research papers and books to Zentrablatt für Mathematik, Berlin, Germany. He has worked as a referee for the research papers to be published in a number of journals. B L Agarwal is a former member of the Editorial Advisory Boards of the Journals: Indian Journal of Statistical Applications (IJSA) and Journal of Rajasthan Statistical Association (JRSA). Overall he was associated with high level academics in many ways at national level.