Special Features Table of Content · Simple Random Sampling · Sampling For Proportions And Percentages · The Estimation Of Sample Size · Stratified Random Sampling · Further Aspects Of Stratified Sampling · Ratio Estimators · Regression Estimates · Systematic Sampling · Single-Stage Cluster Sampling: Clusters Of Equal Sizes · Single-Stage Cluster Sampling: Clusters Of Unequal Sizes · Sub sampling With Units Of Equal Size · Sub sampling With Units Of Unequal Sizes · Double Sampling · Sources Of Error In Surveys