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Statistics for Agricultural Sciences Second Edition Statistics for Agricultural Sciences Second Edition G Nageswara Rao Ph.D. Professor and University Head (Retd.), Department of Statistics and Mathematics, Acharya N.G. RangaAgricultural University, Rajendranagar, Hyderabad-500 030 BSP BS Publications 4-4-309, Giriraj Lane, Sultan Bazar, Hyderabad -500 095 -AP. Phone:040-23445677,23445688 e-mail: [email protected] www.bspublications.net Copyright ':c 2007 by Author Second Edition 2007 A1\ rights reserved No part of this book or parts thereof may be reproduced, stored in a retrieval system or transmitted in any language or by any means, electronic. mechanical, photocopying, recording or otherwise without the prior written permission of the publishers. Published by : =B-S=P- BS Publications 4-4-309, Giriraj Lane, Sultan Bazar, Hyderabad -500 095 -A. P. Phone: 040-23445677,23445688 e-mail: [email protected] www.bspublications.net PrilJtedat Adithya Art Printers Hyderabad Price: Rs. 750.00 (HB) ISBN: 81-7800-141-1 To my wife Shrimati Gadiraju Gruhalakshmi Preface to Second Edition When I was following the present day syllabi of various universities I found some units such as Multivariate Statistical Methods etc., are added compared to my first edition. I was considering to bring second edition for a long time to update the Statistical Theory to match the requirements of the courses. In this edition a new Chapter on Multivariate Statistical Methods is added which is useful to Postgraduate and Ph.D. students in Agriculture Veterinary and Home sciences. Good number of examples are added, besides practical applications. after each chapter of Statistical Methods. wh}ch are useful to undergraduate and postgraduate students. This book also covers courses such as 'Data Analysis for Managers taught to Agricu Itural Business Management PG students. Quantitative methods and Analysis Techniques taught to B.Plan and MURP students in JNTU and also courses on statistics taught to Biotechnology PG students in Agricultural and other traditional universities. This book is also intended to serve as an effective reference book to Research Workers in Agriculture, Veterinary and Home Science faculties. I am thankful to MIS Nikhil Shah and Anil Shah of BS Publications, Hyderabad for taking initiative in bringing the second edition of this book. G Nageswara Rao Preface to First Edition In Agricultural Universities, sufficient knowledge of statistics is being imparted to Agricultural, Veterinary and Home Science students by ot1ering several courses from undergraduate to Doctorate level. This book is intended to fulfil the long felt need of having comprehensive textbook covering all the courses taught at undergraduate and postgraduate levels for all the said faculties. The material is covered in four parts and Part-I deals with Statistical Methods fi'om Chapter I to 15, Part-II on 'Experimental Designs' is dealt in chapter) 6, Part-Ill on 'Sample Surveys, Economic and Non-Parametric Statistics' is included in Chapters 17, ) 8 and ) 9. Chapters I to 13 are meant for basic course on 'Statistical Methods' for undergraduate and post-graduate levels. Chapters 14 on '02-Statistics' is meant for postgraduate and Ph.D students in all the faculties. Chapter) 5 on 'Probit Analysis' is useful to Entomology, Plant Pathology, Pharmacology etc., postgraduate students. Chapter 16 on 'Experimental Designs' is meant for PO and Ph.D. students in Agronomy, Plant Breeding, Plant Physiology, Animal Breeding etc .. students. Chapter 17 and 18 on 'Sampling Methods' and 'Economic Statistics' are useful for PO and Ph.D. students in Agricultural Economics, Agricu Itural Extension, and Home Science students. Chapter 19 on 'Non-Parametric Statistics' is useful to PO and Ph.D students in Agricultural Extension, Home science etc. students. This book is also intended to serve as an effective reference book to Research workers in Agriculture, Veterinary and Home Science faculties. G Nageswara Rao