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4 Terms

1
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how do you differ sample and population?

  • The population is everyone who could have been randomly selected

  • The sample is everyone who was randomly selected

2
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only generalize the results of a survey to which population

the sample represents

3
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experiment study

we are actively putting people/things into a control versus treatment groups to observe effects of the treatment

4
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observational study

is a type of research where the investigator observes subjects in their natural environment without manipulation or intervention