Edexcel GCSE Statistics · 1ST0
Specification 1b.04, 1d.02, 2h.03 · Paper 1, Paper 2
The trustworthiness of data, judged using evidence about its source, accuracy and collection method.
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.
- Revise: Interpreting results
The extent to which statistical findings can be trusted, considering the quality, quantity and representativeness of the evidence.