<span>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.</span>
