This book has been primarily designed to meet the needs of B.Com. students under the recommended National Education Policy 2020 (NEP 2020) for the subject Business Statistics. It serves as a self-study text and provides essential guidance for various topics including understanding of Statistics; Diagrammatic and Graphical Presentation; Measures of Central Tendency; Correlation and Regression Analysis; Analysis of Time Series; Index Numbers; Probability Theory and Theoretical Distributions. The book has been written in simple and lucid manner covering all the important equations, formulae and practical steps in a systematic manner to aid students learning. Based on the author's proven approach "teach yourself" style, the book is replete with numerous illustrations, exhibits and solved problems.