To acquaint the students with statistical techniques useful for economic analysis.
Measures of central tendency, dispersion - standard deviation, coefficient of variation, Lorenz curve, Gini concentration ratio – Skewness (simple problems).
Elementary probability theory, concepts, binomial, Poisson and normal distribution.
Sampling distribution, standard error-testing of hypothesis: χ2, F- ANOVA, testing correlation and regression coefficients.
Correlation, regression, simple, multiple, linear (simple problems) – OLS-assumptions-violation of assumptions - heteroscedasticity, autocorrelation and multicollinearity (concepts only). Interpretation of Co-efficient
-Introduction to non-linear regression.
Uses, selection of number of items, base year price relatives-Fisher’s ideal index-Factor reversal test-Time reversal test- Chain index-Base shifting –conversion of current price data into constant price data- price index numbers in India – Components of time series - Moving averages-Straight line trend- Seasonal Index.