Contents Introduction Field of statistics Statistical inquiries and sampling Collection of data preliminary Consideration's Collection of data techniques Classification and tabulations Diagrammatic representation Graphic Representation Measures of Central Tendency Measures of Dispersion Moments, skewness and Kurtosis Analysis of time series Index Numbers Interpolation Relationship between variables Probability Sampling distributions Estimation and testing of hypothesis Tests on large samples Tests on small samples and goodness of fit Attributes and their association Vital statistics Statistical Quality Control Statistics for business decisions linear programming Theory of games