ACARA AC9M8ST01, Data collection methods
Year 8 · Statistics
Investigate ways to collect data, including census, sampling, experiment and observation, and explain what each method means in practice.
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Teaching guide
Investigate ways to collect data, including census, sampling, experiment and observation, and explain what each method means in practice.
Compare census, sampling, experiment and observation for the same question, discussing cost, time, bias and how well each represents the population.
Assuming a small convenience sample speaks for the whole population, and ignoring how the method can bias the data.
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