Match the method to the example: A. Simple Random B. Systematic C. Convenience D. Stratified E. Cluster 4. Interview every 10th person entering a building: __________ 5. Survey all students in 3 randomly selected classrooms: __________ 6. Divide by year level (freshman/sophomore/etc.) and randomly select some from each: __________ 7. Ask the first 10 people at Starbucks: __________ 8. Use a random number generator to pick 25 IDs: __________