Matching Pairs College math TermsOnline version Math for the Liberal arts by Dashawn Crawford-Thomas 1 stratified sampling 2 biased sample (sampling bias) 3 poll 4 sampling error 5 non-response bias 6 response rate 7 sampling proportion 8 quota sampling 9 sampling frame 10 simple random sampling 11 target population 12 convenience sampling 13 selection bias 14 sampling variability 15 self-selection bias 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 type of bias that results when the sample consists of individuals who volunteer to be in the sample the percentage of respondents in a poll out of the total sample 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 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 the population from which the sample is drawn a sample in which not every member of the population had an equal chance of being included the difference between a parameter and a statistic obtained from a sample a bias that occurs when some members of the population have no chance of being included 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 sampling method that uses several layers of strata and substrata and chooses the sample by a process of random selection within each layer a sampling strategy based on selecting the most convenient individuals to be in the sample