Matching Pairs College math TermsOnline version Math for the Liberal arts by Dashawn Crawford-Thomas 1 sampling frame 2 target population 3 sampling variability 4 simple random sampling 5 selection bias 6 stratified sampling 7 convenience sampling 8 sampling proportion 9 self-selection bias 10 sampling error 11 poll 12 non-response bias 13 response rate 14 biased sample (sampling bias) 15 quota sampling the natural variability in the statistic obtained by different samples of the same population, even when the samples are chosen using the same methodology the population from which the sample is drawn a sampling strategy based on selecting the most convenient individuals to be in the sample a type of bias that results when the sample consists of individuals who volunteer to be in the sample a sampling method where any qroup of individuals in a population has the same chance of being in the sample as any other group of equal size a sample in which not every member of the population had an equal chance of being included a bias that occurs when some members of the population have no chance of being included in the sample a sampling method that uses several layers of strata and substrata and chooses the sample by a process of random selection within each layer the difference between a parameter and a statistic obtained from a sample the percentage of respondents in a poll out of the total sample size a type of bias that results from having low response rates the population to which the conclusions of the survey apply the percentage or proportion of the population represented by the sample a survey in which the data collection involves asking questions and recording answers. a sampling method that uses quotas as a way to force the sample to be representative of the population