UNIT-II Measurement of Central Tendency—Mean, Median, Quartile, Mode, Geometric Mean and Harmonic Mean.
UNIT-III Dispersion and Skewness.
Analysis of Time Series—Meaning, Importance, Components, Measurement of Long Term Trends, Measurement of Cyclical and Irregular Fluctuations.
UNIT-IV Correlation—Meaning, Definitions, Types and Degree of Correlation, Methods of Correlation.
Regression Analysis—Meaning, Uses, Difference between Correlation and Regression, Linear Regression, Regression Equation, Calculation of Coefficient of Regression.
UNIT-V Index Number—Meaning, Characteristics, Importance and Uses. Construction of Index Numbers—Cost of living Index, Fisher's Ideal Index Number.
Diagrammatic and Graphic presentation of Data.