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For B.Com-I, Statistics : Meaning, Nature and Limitations. Statistics : Scope and Importance. Statistical Investigation. Types and Collection of Data. Questionnaire and Schedule. Sample Survey. Editing of Collected Data. Classification and Tabulation of Data. Diagrammatic Presentation of Data. Graphic Presentation of Data. Construction of Frequency Distribution. Measures of Central Tendency, Geometric Mean and Harmonic Mean. Partition Values. Measures of Dispersion. Measures of Skewness. Moments. Measures of Kurtosis. Correlation. Appendix, Index Numbers, Analysis of Time Series, Indian Statistics, Appendix