Population and Samples key words 0.0 / 5 ? MathematicsStatistics, averages and distributionsA2/A-levelEdexcel Created by: Alec67Created on: 03-12-19 16:39 What is meant by a census? Observations or measurements taken from every member of a population. 1 of 6 What is meant by a sample? Selection of observations taken from a subset of the population which is used to find out information about the population as a whole. 2 of 6 What is meant by a sampling unit? Individual units of a population. 3 of 6 What is meant by a sampling frame? A list of sampling units that have been named or numbered. 4 of 6 Name the different types of random sampling? Systematic, simple random sampling and stratified sampling. 5 of 6 Name the types of non-random sampling? Quota and opportunity sampling. 6 of 6
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