A government poll to determine who uses the state parks in missouri surveyed 50 people chosen randomly from each of missouri's counties. which type of sampling is used?a. convenienceb. systematicc. clusterd. stratified

This is a stratified random sample - the population was stratified by county, and then a random sample was selected within each county.stratified sampling is used for A government poll to determine who uses the state parks in missouri surveyed 50 people chosen randomly from each of missouri's counties.Stratified random sampling is a method of sampling that involves the division of a population into smaller groups known as strata. In stratified random sampling, or stratification, the strata are formed based on members' shared attributes or characteristics.