A methodology statement (called a "white paper" in the corporate world) discussing sampling techniques used when conducting a survey. In particular it discusses the minimum number of surveys that need to be conducted in small and large populations to enable us to be scientifically confident of the result. It includes a worked example of a complex, stratified population, showing pensioners in two age groups stratified according to where they were born and shows how to calculate what percentage of each age group needs to be included in the survey and the impact on the conclusions that can be drawn. It also discusses the meaning of truly 'random' and some of the potential benefits and problems of stratification. International statistical working paper.
m-1002survey.docA methodology statement (called a "white paper" in the corporate world) discussing sampling techniques used when conducting a survey.
