Synopsis The distinctive features of the present book are – one, besides serving as textbook for B.A. / B.Sc. / B.Com. (Pass & Hons.), M.A. (Econ.) / M.Com. / M.Sc. (Maths. & Stat.) of India and Nepalese Universities; C.A.; I.C.W.A.; M.B.A.; it also covers the syllabi of different competitive services like I.A.S. / L.E.S. / I.S.S. / P.C.S. etc. Two, it is a treatise on the statistical methodology discussing theoretical, practical and applied aspects in clear and lucid manner to serve in better way to students, teachers, administrators and general readers. The contents of the book have been organized in five parts. In part I, Introduction, meaning and scope of statistics in discussed widely. Part II deals with Statistical Research Methodology, enveloping problems of investigations, viz., collection, tabulation, editing, presentation of data. Part III, the Statistical Paradigms – The Descriptive Statistics studies Central Tendencies, Dispersions, Moments, Skewness and Kurtosis; Index Numbers; Time Series, /correlation; Regression; Interpolations; Association of Attributes, Probability and Mathematical Expectation; Theoretical Frequency Distribution, exhaustively. Part IV: Theory of Estimation and Hypothesis – Testing the Inductive Statistics deals with different tests like Students t–distributions; F–test; Z–transformation; Chi-Squared; Analysis of Variance; S.O.C.; Business Forecasting; Design of Experiments; and Interpretation of Data. In Part V: Indian systems of India and its States, and different official statistics like Population, Agriculture, Industry, Labour, Price, Trade, etc.