How could you draw connections between the common causes of Revolutions and the Enlightenment ideas that we discussed in our last unit? (Use 2 - 3 full sentences to explain the connections you can see.)

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