Key question
What can a small dataset tell me, and what can it not?
Check your understanding
Find an example, an application and a limit. Explain the concept without using its name, then compare your explanation with a primary source.
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Claims to examine
A precise description of collected data does not by itself justify a population estimate or a causal claim.
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What can a small dataset tell me, and what can it not?
Describe data, examine a sample and write a report with clear limits.