Introduction -- Basic descriptive statistics : percentages, ratios and rates, frequency distributions -- Charts and graphs -- Measures of central tendency -- Measures of dispersion -- The normal curve -- Introduction to inferential statistics, the sampling distribution, and estimation -- Hypothesis testing I : the one-sample case -- Hypothesis testing II : the two-sample case -- Hypothesis testing III : the analysis of variance -- Hypothesis testing IV : chi square -- Introduction to bivariate association and measures of association for variables measured at the nominal level -- Association between variables measured at the ordinal level -- Association between variables measured at the interval-ratio level -- Partial correlation and multiple regression and correlation.