Business Mathematics and Statistics 2025

Unit I:
Ratio
Ratio – Indices ? types – positive indices ? law of indices ? negative indices ? zero and utility indices ? fractional indices. Logarithms ? definition ? property of logarithms ? law of logarithms ? common logarithm.
Unit II:
Interest and Annuity
Banker?s Discount ? Simple and Compound Interest – Arithmetic,
Geometric and Harmonic Progressions. Annuity – Meaning – Types of Annuity Applications.
Unit III:
Business Statistics Measures of Central Tendency
Arithmetic Mean, Geometric Mean – Harmonic Mean – Median – Quartile ? Decile ? Percentiles – Mode. Measures of Variation ? Range – Quartile Deviation and Mean Deviation – Variance and Standard Deviation & Co-efficient of variance.
Unit IV:
Correlation and Regression
Correlation – Karl Pearson?s Coefficient of Correlation ? Spearman?s Rank Correlation ? Regression Lines and Coefficients.
Unit V:
Time Series Analysis and Index Numbers
Time Series Analysis: Secular Trend ? Seasonal Variation ? Cyclical variations – Index Numbers ? Aggregative and Relative Index ? Chain and Fixed Index ?Wholesale Index
? Cost of Living Index.