We take pleasures in presenting to our students, colleagues and readers the second thoroughly revised and enlarged edition of the book Biostatistics. The theoretical discussion in the book has been refined, restructured and updated. While revising the book, a sincere attempt has been made to retain the basic features of the earlier edition, names, viz., lucidity of style, simplicity in presentation and analytic approach to the topics. The following three new chapters have been added to make the book more exhaustive and comprehensive so as to cater to the needs of the students of Biostatistics, Biotechnology, Biology, Pharmacy, Nursing, Public Health, Molecular Biology, Zoology, Medicine, Botany etc.
1. Skewness, Moments and Kurtosis
2. Association of Attributes
3. Models of data presentation with special reference to Biological Sciences.

Contents : 1. Introduction to Biostatistics 2. Preliminary Concepts 3. Tabulation and Frequency Distribution 4. Graphical Representation of Data 5. Measures of Central Tendency 6. Measures of Dispersion 7. Skewness, Moments and Kurtosis 8. Correlation Analysis 9. Regression Analysis 10. Probability and Bay`s Theorem 11. Binomial, Poisson and Normal Distributions 12. Hypothesis Testing and Large Samples Tests 13. Students` T-Test 14. Chi-Square Test 15. F-Test or Fisher`s F-Test 16. Demography and Vital Statistics 17. Non-Parametric Methods 18. Factorial Analysis 19. Circular Distributions-and Descriptive Statistics 20. Tests of Significance for Circular Distributions 21. Associations of Attributes 22. Models of Data Presentation with Special Reference to Biological Samples