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A pollster wants to ask a sample of undergraduates at State Tech how they feel about a proposal to build a new dorm in the place of the school's largest commuter parking lot. Opinions may differ depending on whether the student is a commuter or resident, so the pollster takes separate SRSs of commuters and resident students and combines them to form his sample. He used a:
Replication
The process of repeating a study or experiment to verify its results.
Random Samples
A subset of a population chosen in such a way that every member has an equal chance of being selected, ensuring unbiased representation.
Research Participants
individuals who take part in scientific studies, providing data for researchers to analyze and draw conclusions.
Facebook Friendship
A social connection or relationship between individuals on the Facebook platform, often not reflecting real-world relationships.
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