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STAT110
Lecture #2 - 8/28
Question | Answer |
---|---|
objects described by a set of data | individuals |
any characteristic of an individual | variable |
observing indviduals; change nothing | observational study |
sample (people) selected & asked to respond to questions | sample survey |
everyone in the study | population |
people that actually gave an answer | sample |
imposing treatment on individuals to observe response; make the individual do something, trying to change behavior | experiment |