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Ch 1.2
| Term | Definition |
|---|---|
| Observational Study | Measures the value of the response variable without attempting to influence the value of either the response or explanatory variables |
| Designed experiment | assigns the individuals in a study to a certain group |
| Confounding | Two or more explanatory variables are not seperated |
| Lurking variable | explanatory variable that was not considered in a study |
| Census | individuals in a population |