Part one of two. Course is designed to teach graduate students standard and advanced statistical methods of data analysis. Major topics covered will be descriptive statistical methods, probability, the most widely used discrete and continuous distributions, parameter estimation techniques, hypothesis testing, contingency tables, regression methods, multi-sample inference, design and analysis techniques for epidemiological data including power calculations, nonparametric techniques, and survival analysis. Introcution to multivariate statistical analysis will include applications of latent vaiable modeling. Students will be taught to apply statistical software packages, such as JMP, SPSS, SAS, or other appropriate programs to real data.