Business Statistics 2nd Semester Osmania University BBA 2025-26 Notes

Unit 1 [Book]
Meaning, Scope, and Importance of Statistics in Business VIEW
Data Types, Primary and Secondary VIEW
Classification of Data VIEW
Tabulation of Data VIEW
Construction of Frequency Distributions VIEW
Graphical Presentation, Bar Charts, Pie Charts, Histograms, Frequency Polygons, Line Diagrams VIEW
Unit 2 [Book]
Central Tendency, Mean (Simple/Weighted), Median, Mode VIEW
Geometric Mean VIEW
Harmonic Mean VIEW
Partition Values VIEW
Dispersion, Range, Quartile Deviation, Mean Deviation, Standard Deviation, Coefficient of Variation VIEW
Skewness VIEW
Kurtosis VIEW
Business interpretation and Application VIEW
Unit 3 [Book]
Correlation, Meaning, Types (Positive/Negative) VIEW
Scatter Plots VIEW
Karl Pearson’s Coefficient VIEW
Spearman’s Rank Correlation VIEW
Simple Regression, Least Squares Method (Line of Best Fit) VIEW
Slope/Intercept Interpretation (No Multiple Regression) VIEW
Unit 4 [Book]  
Time Series, Concept, Components (Trend, Seasonal, Cyclical, Irregular) VIEW
Simple Trend Estimation, Moving Average, Semi-Average Method VIEW
Index Numbers, Meaning, Types VIEW
Laspeyres Index Numbers VIEW
Paasche Index Numbers VIEW
Fishers Methods (Introductory Level, Interpretation Focus) VIEW
Unit 5 [Book]  
Probability, Introduction & Definition, Types of Events VIEW
Addition and Multiplication Theorems VIEW
Joint Probability VIEW
Marginal Probability VIEW
Conditional Probability VIEW
Bayes’ Theorem VIEW
Sampling, Population vs Sample; VIEW
Importance of Sampling  in Business Decision-Making VIEW
Sampling Techniques, Probability Sampling (Simple Random, Stratified, Cluster) And Non-Probability Sampling (Convenience, Quota, Judgment) VIEW

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