COVER -- Contents -- Conceptual Framework -- Statistical Investigation -- Collection of Data -- Classification of Data -- Tabulation -- Diagrammatic Representation of Data -- Graphic representation of Data -- Measures of Central Tendency (I) -- Measures of Central Tendency (II) -- Measures of Dispersion -- Skewness -- Correlation (I) -- Correlation (II) -- Regression -- Time Series -- Interpolation and Extrapolation -- Index Numbers.