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GCSE Statistics · key term
The extent to which data is suitable for the question being investigated, including the population, variables and time period.
Used by Edexcel
Paper 1, Paper 2
Revise: Constraints in sourcing dataRelevance and reliability are different checks. A carefully conducted national survey may be reliable but unsuitable for a question specifically about one school. Conversely, figures about the right school may be relevant but unreliable if their collection method is unclear.
When evaluating secondary data, check relevance as well as reliability. Accurate data about the wrong population or time period may still be unsuitable.
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