Level III - consist of a bachelor's degree which includes nine semester hours in statistics, statistical research methods, economics, demographic or social research statistics plus three years of experience in technical statistical and research work; or a master's degree in a social science, business administration, mathematics, statistics, or public administration which includes nine semester hours of advanced statistical methods plus one year of experience in technical statistical and research work. Level II - consist of a bachelor's degree which includes nine semester hours in statistics, statistical research methods, economics, demographic or social research statistics plus two years of experience in technical statistical and research work; or a master's degree in a social science, business administration, mathematics, statistics, or public administration which includes nine semester hours of advanced statistical methods.