For what event had jackson become well known

Arecent challenge to the european union created by a member state is?

What happened in georgia as a result of the supreme court ruling in brown v. board of education?

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