Matching Pairs College math TermsOnline version Math for the Liberal arts by Dashawn Crawford-Thomas 1 response rate 2 sampling variability 3 selection bias 4 poll 5 non-response bias 6 self-selection bias 7 biased sample (sampling bias) 8 sampling frame 9 sampling proportion 10 sampling error 11 convenience sampling 12 quota sampling 13 stratified sampling 14 simple random sampling 15 target population the population to which the conclusions of the survey apply 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 the natural variability in the statistic obtained by different samples of the same population, even when the samples are chosen using the same methodology 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 the percentage of respondents in a poll out of the total sample size a survey in which the data collection involves asking questions and recording answers. the percentage or proportion of the population represented by the sample a type of bias that results when the sample consists of individuals who volunteer to be in the sample 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 from having low response rates a sampling method that uses quotas as a way to force the sample to be representative of the population 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