2. The principal creates a list of all first year high school students, decides to survey every seventh student on the list. Which random sampling technique does she apply? A. cluster B. simple C. stratified D. systematic 3. Mrs. Mogol write each name of all first year high school students on small pieces of paper, she then put them in a box and draws 300 names to participate in the study. Which random sampling technique does she apply? A. cluster B. simple C. stratified D. systematic 4. The principal groups the first year high school students according to the barangay where they live. She randomly picks a barangay and all of the students living in that barangay answer the questionnaire. Which random sampling technique does she apply? A. cluster B. simple C. stratified D. systematic 5. Mrs. Mogol groups the first year high school students according to their school's last attended. She proportionately and randomly chooses students from each group. Which random sampling technique does she apply? A. cluster B. simple C. stratified D. systematic