Statistics is a Mathematical Science pertaining to the collection, analysis, interpretation and presentation of data. It is applicable to a wide variety of subjects such as Accounting, Economics, Marketing, Agriculture, Computers, Social Science, Geography, Engineering, Environmental Studies, Law and Government, Health and so on.Statistics is also used for making informal decisions in government and in management of organisations.This book can be useful for students studying for various business examinations which have Statistics as a subject. It can also be used as a guide to understand the use of statistical methods in other subjects.