The present book has been well prepared to meet the requirements of the students of Animal and Veterinary Science, Animal Biotechnology and other related fields. The book will serve as a text book not only for students in Veterinary science but also for those who want to know What statistics in all about” or who need to be familiar with at least the language and fundamental concepts of statistics. The book will serve well to build necessary background for those who will take more advanced courses in statistics including the specialized applications. The salient features are: Each chapter of this book contains complete self explanatory theory and a fairly number of solved examples. Solved examples for each topic are given in an elegant and more interesting way to make the users understand them easily. Subject matter has been explained in a simple way that the students can easily understand and feel encouraged to solve questions themselves given in unsolved problems.