Stats:CH12 vocab Word Scramble
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Question | Answer |
randomization | the best defense against bias, in which each person is given a fair random chance of chance of selection |
representative | the situation in which the statistics calculated from a sample accurately reflect the corresponding population parameters |
voluntary response bias | bias introduced to a sample when individuals can choose whether or not to respond |
simple random sample | a sample in which each set of elements in the population has an equal chance of selection |
statistic, sample statistic | values calculated for sample data |
stratified random sample | a sampling design in which the population divided into several subpopulations and random samples are then drawn from each subpopulation |
bias | any systematic failure of a sampling method to represent its population |
undercoverage | a form of bias introduced when one part of the population has less representation in the sample than in the original populations |
multistage sample | sampling schemes that combine several sampling methods |
population | the entire group of individuals in a sample |
convenience sample | a sample consisting of individuals who are easily accessible |
response bias | anything in a survey that influences responses |
matching | any attempt to force a sample to resemble specified attributes of a population |
sampling frame | a list of individuals from whom the sample is drawn |
sample | a subset of a population, examined in hope of learning about the population |
systematic sample | a sample dram by selecting individuals systematically from the sampling frame |
population parameter | a numerically valued attribute of a model for a population |
sample survey | a study that asks questions of a sample drawn from some population in the hope of learning something about the entire population |
sampling variability | the natural tendency of randomly drawn samples to differ, one from another |
nonresponse bias | bias introduced to a sample when a large fraction of those sampled do not respond |
cluster sample | a sampling design in which entire groups are chosen at random |
census | a sample that consists of the entire population |
sample size | the number of individuals in a sample |
Created by:
britlee14
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