This book has been written with the objective of providing a basic textexplaining the principles of statistical measures and methods as appliedto biological problems.Accordingly, the author has also revised thisbook to include a few chapters on computer fundamentals. In addition,a chapter on the use of MS Excel software in Biostatistics is includedto encourage the students to try this highly user-friendly computerprogram.This book shall be useful to all undergraduate and postgraduate students and, to a certain extent, research scholars ofbiology including Zoology, Botany, Microbiology, Biotechnology,Veterinary science, Agriculture, Environmental Science, Health sciencesand other related fields.