Simple Random Sampling, A researcher uses a Random Number Generator to select 50 students from a list of 1,000., To choose a class representative, the teacher writes all students' names on identical slips of paper and draws one from a box., A company assigns a number to every employee and uses a spinning wheel to pick who will receive a bonus., A scientist puts 100 labeled seeds in a bag, shakes it, and picks 10 without looking for a growth experiment., Systematic Sampling, A librarian checks the condition of books by inspecting every 15th book on the shelf starting from the 3rd one., At a mall entrance, a security guard surveys every 10th shopper who enters the building., A quality control officer at a factory tests every 50th soda bottle that comes off the assembly line., A teacher chooses a sample by picking every 5th name on the alphabetical class record., Stratified Sampling, To study study habits, a principal divides students into Grade 11 and Grade 12, then picks 30 students from each grade., A researcher studying health habits groups the community into Smokers and Non-Smokers, then selects a sample from both groups.

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