"Sample Survey" Terms

3. sample that consists of whole pop.
5. sampling scheme that biases sample in a way that gives half the pop. less representation
6. number of individuals in a sample
7. population is divided into several subpopulations and then sampled
9. a study that asks questions to some of the pop. to learn about pop. as whole
10. anything in a survey design that influences responses
11. natural tendency of randomly drawn samples to differ
14. entire group of individuals being studied
15. individual is given fair, random chance of selection
16. bias introduced when a large fraction of those sampled fails to respond, those who respond don't represent pop. as a whole
19. a subset of a pop. examined to learn about the pop. as a whole
20. sample drawn by selecting individuals systematically
21. statistics computed from it accurately reflect the corresponding population parameters.

1. individuals who are conveniently available
2. sampling schemes that combine several mothods
4. bias introduced to a sample when individuals can choose whether or not to take the survey
8. numerically valued attribute of a model for pop. can be estimated from sampled data
12. list of individuals from whom the sample is drawn
13. clusters are chosen at random typically for convenience or practicality
17. small trial run to check clarity of questions
18. any systematic failure of a sampling method