Variables and graphs -- Frequency distributions -- The mean, median, mode and other measures of central tendency -- The standard deviation and other measures of dispersion -- Moments, skewness and kurtosis -- Elementary probability theory -- The binomial, normal and poisson distributions -- Elementary sampling theory -- Statistical estimation theory -- Statistical decision theory, tests of hypotheses and significance -- Small sampling theory --The chi-square test -- Curve fitting and the method of least squares -- Correlation theory -- Multiple and partial correlation -- Analysis of time series -- Index numbers -- Appendix -- Index