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The development of economic and business activities has compelled the Government and businessmen to consider the statistical data as an integral part of their day-to-day activities. Statistical data, when analyzed properly, provide the much needed information for various business and policy decisions. Keeping this in mind, this text is written with the sole aim of providing the statistical techniques in a clear and simple form for the benefit of the academic community in general and the PG and UG students of Commerce in particular. Contents : 1. Introduction 2. Collection of Data 3. Classificationa and Tabulation of Data 4. Diagrammatic and Graphic Presentation 5. Sampling and Sample Design 6. Measures of Central Tendency 7. Measures of Dispersion 8. Skewness, Kurtosis and Moments 9. Correlation Analysis 10. Regression Analysis 11. Index Numbers 12. Analysis of Time Series 13. Interpolation and Extrapolation 14. Probability 15. Theoritical Distributions 16. Linear Programming 17. Set Theory 18. Matrices and Determination Appendix I Formulaes Appendix II Tables
