level: sampling
Questions and Answers List
level questions: sampling
| Question | Answer |
|---|---|
| systematic sample | every nth number of the population |
| stratified sample | sample represents proportions of people in sub groups (strata) eg, 100 students, 50% boys. Sample should be 10 students, 5 boys. |
| volunteer sample | Anyone who wants to do it can do it |
| opportunity sample | researcher selects whoever is available |
| stratified sample disadvantages | time consuming complete representation is impossible due if there is multiple strata |