# Business Statistics-1 Osmania University B.com 3rd Semester Notes

25/11/2020
 Unit 1 Introduction {Book} Origin and Development of Statistics, Definition, Importance and Scope, Limitations of Statistics, Distrust of Statistics VIEW Statistical Investigation: Planning of Statistical investigation VIEW Census and Sampling Methods VIEW Collection of Primary and Secondary data VIEW Statistical errors and approximation VIEW Classification and Tabulation of data VIEW Frequency distribution VIEW

 Unit 2 Diagrammatic and Graphic Presentation {Book} Diagrammatic presentation: One Dimensional and Two-Dimensional Diagrams VIEW Pictograms, Cartograms VIEW Graphic presentation: Technique of Construction of Graphs VIEW Graphs of Frequency Distribution VIEW Graphs of Time Series or Histograms VIEW

 Unit 3 Measures of Central Tendency {Book} Central Tendency: Introduction, Significance VIEW Arithmetic Mean VIEW Geometric Mean VIEW Harmonic Mean VIEW Mode VIEW Median VIEW Quartiles VIEW Percentiles VIEW Simple and Weighted Averages VIEW Uses and Limitations of different Averages VIEW

 Unit 4 Measures of Dispersion, Skewness and Kurtosis {Book} Measures of Dispersion: Significance, Characteristics VIEW Absolute and Relative Measures VIEW Range VIEW Quartile Deviation VIEW Mean Deviation VIEW Standard Deviation, Coefficient of Variation VIEW Measures of Skewness VIEW Karl Pearson’s, Bowley’s Coefficient of Skewness VIEW Kelly’s measures of Skewness: VIEW Kurtosis Mesokurtosis, Platy kurtosis and Leptokurtosis VIEW

 Unit 5 Correlation {Book} Meaning, Types, Correlation VIEW VIEW VIEW Causation Method VIEW Scatter Diagram VIEW Karl Person’s Coefficient of Correlation VIEW Probable Error VIEW Interpretation of Coefficient of Correlation VIEW Rank Correlation VIEW Concurrent Deviation Method VIEW