Question 2 (7 points) Identify the type sampling technique used You want to find out the passing rate of the grade 12's. You survey all students in 4 randomly selected classes. A university mails out surveys to all alumni 1. Simple You interview every third student in the class 2. Stratified You assign each member in 3. Systematic the class a number and randomly select 5 students 4. Multi-Stage using a random number generator 5. Convenience v You randomly select 4 6. Cluster departments and 3 employees in each 7. Voluntary Response department. You survey 90 of the 600 line workers and 8 of the 50 managers You survey all students in the cafeteria at lunch