SIMPLE RANDOM SAMPLING, Choosing 15 students by picking names from a jar with all students’ names., STRATIFIED SAMPLING, Dividing a city into age groups (e.g., 18-25, 26-40, 41+) and then randomly selecting a proportional number of people from each group, CLUSTER SAMPLING, Randomly selecting 5 dormitory buildings from the entire campus and survey all students living in those selected dorms., SYSTEMATIC SAMPLING, Choosing every 3rd car passing through a toll booth to check for emissions testing., CONVENIENCE SAMPLING, Handing out surveys to students in a university cafeteria because they are easy to access., PURPOSIVE SAMPLING, Surveying doctors with at least 10 years of experience to study medical advancements., QOUTA SAMPLING, Selecting 50 males and 50 females in a neighborhood to ensure equal representation of gender., SNOWBALL SAMPLING, Asking a person with a rare disease to recommend other people they know with the same disease for a study.

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