Relevance of quantitative methods to the study of economics. Functional and graphical representation of economic relationships. Differential, total and partial differentiation as applied to demand theory and the theory of the firm. Determinants and matrices for solution of simple economic models. Probability distribution, sampling theory, hypotheses testing, regression and correlation of economic variables, analysis of variance and co-variance. Elements of matrix algebra; simple linear regression model. Introduction to simultaneous equations. General Objective: