This book provides the basic framework for those opting for a career of specialization in statistical methods. The statistical method is confronted with the task of analyzing and forecasting various business needs for profitable management. For the better solution of business problems a reference of this book will prove of immense benefit. The book discusses every statistical method which is useful in business decisions. Apart from its extensive coverage and lucid presentation, the strength of the book lies in its decision-making approach. The book has been primarily designed as a textbook for students of B.Com., B.A., B.B.A., M.Com., M.A., M.B.A., C.A., I.C.W.A., and C.S., but it will also serve as a desk companion to the business executives and be of immense help to those who wish to enter in the business and trade.