(3-0) Cr. 3. S. Prereq: 401; 447 or 542. Practical aspects and basic theory of design and estimation in sample surveys for finite populations, with emphasis on applications. Simple random, systematic, stratified, cluster and multistage sampling. Horvitz-Thompson estimation of totals and functions of totals: means, proportions, regression coefficients. Model-assisted ratio and regression estimation. Two-phase sampling. Non-response effects. Small area estimation.