Definition that contains random sample
- poll an inquiry into public opinion conducted by interviewing a random sample of people
- canvass an inquiry into public opinion conducted by interviewing a random sample of people
- spot-check pick out random samples for examination in order to ensure high quality
- opinion poll an inquiry into public opinion conducted by interviewing a random sample of people
- random sampling the selection of a random sample; each element of the population has an equal chance of being selected
- stratified sample the population is divided into strata and a random sample is taken from each stratum
- proportional sample the population is divided into strata and a random sample is taken from each stratum
- representative sample the population is divided into strata and a random sample is taken from each stratum
- stratified sampling the population is divided into subpopulations (strata) and random samples are taken of each stratum
- proportional sampling the population is divided into subpopulations (strata) and random samples are taken of each stratum