How did many African Americans in Georgia view the white primary system? They protested it.
They approved of it.
They refused to take part in it.
They believed that it was constitutional.

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