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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 |