Chapter 1 Data Collection
1.2 Sampling
In random sampling, every member of the population has an equal chance of being selected. The sample should therefore be representative of the population. Random sampling also helps to remove bias from a sample.
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In random sampling, every member of the population has an equal chance of being selected. The sample should therefore be representative of the population. Random sampling also helps to remove bias from a sample.
Understand the advantages and disadvantages of simple random sampling, systematic sampling, stratified sampling, quota sampling and opportunity sampling.