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| Term | Definition |
|---|---|
| population | entire group |
| random sample | every member has and equal chance |
| systematic sample | rule is used to select members of the pop |
| stratified sample | the pop is divided into distinct groups members are selected from groups |
| convenience sample | only members of pop who are easily accesible are selected |
| self selected sample | members of pop can select themselves by volunteering |
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