If you would like to see a new park built in the town square, which of these officials would best be able to you? a) u. s. senator b) probate judge c) the city council d) the county sheriff

Donald is studying the eating habits of all students attending his school. he samples the population by dividing the students into groups by grade level and randomly selecting a proportionate number of students from each group. he then collects data from the sample. which type of sampling is used? select the correct answer below: systematic sampling convenience sampling stratified sampling cluster sampling