1 Introduction -- 2 Organization and Presentation of Data -- 3 Descriptive Measures: Centrality -- 4 Measures of Dispersion -- 5 Bases of Statistical Inference. I: Probability and the Logic of Hypothesis Testing -- 6 Bases of Statistical Inference, II: Sampling and Estimation -- 7 Testing fur lb Difference Between Means -- 8 Analysis if Variance -- 9 Measuring the Association Between Two Nominal Variables -- 10 Measuring the Association Between Two Ordinal Variables -- 11 Measuring the Association between Two Interval Variables -- 12 Multivariate Analysis: three or More Variables