Statistical Methods

Syllabus

Paper III: Statistical Methods 

Unit –I

Introduction: The Nature and Scope of Statistics, Definition of Statistics. Law of Statistical Regularity: Law of Inertia of Large Numbers. Census and Sampling, Methods of Sampling, Types and Characteristics of Statistical Unit. Methods and Instruments of Data Collection.

Unit –II

Classification and Tabulation – Objects, General Rules for the Construction of Tables.

Measures of Central Tendency: Mean – Simple and Weighted, Mode, Harmonic and Geometric Mean; Positional Averages- Median, Quartile and Percentiles.

Unit –III

Measures of Dispersion, Skewness and Kurtosis – Range, Quartile Deviation, Mean Deviation, Standard Deviation and their coefficients; Measures of Skewness and Kurtosis.

Correlation Analysis – Scatter Diagram, Karl Pearson’s Coefficient of Correlation, Spearman’s Ranking Method.

Unit –IV

Regression Analysis – Linear Regression, Regression Lines, Regression Equations.

Interpolation – Assumptions, Binomial, Newton’s Advancing Differences, Larganges’ Methods.