The Fundamentals of Mass Appraisal provides an introduction to mass appraisal and is a prerequisite for the 300 series of courses offered by the IAAO. Topics covered include single-property appraisal as compared to mass appraisal, components of a mass appraisal system, data requirements and analysis, introduction to statistics, use of assessment ratio studies in mass appraisal, modeling of the three approaches to value, and selection of a mass appraisal system.