A revision workbook covering Section E of the AQA GCSE Statistics specification (8382) — the largest section of the course, spanning probability, distributions, correlation, index numbers and population estimation. Suitable for Foundation and Higher tier, with Higher-only content clearly signposted.
Topics covered:
Probability scale, expected frequency, relative risk and absolute risk
Experimental vs theoretical probability
Two-way tables, tree diagrams, Venn diagrams and sample space diagrams
Independent events and conditional probability, including the randomised response technique
Comparing datasets — contextualised comparisons of average and spread
Skewness interpretation and seasonal trend prediction
Index numbers and weighted index numbers; rates of change
Correlation vocabulary — positive, negative, causation, interpolation, extrapolation
Spearman’s rank and Pearson’s correlation coefficients — interpreting and distinguishing
Binomial distribution — characteristics and calculations (Higher)
Normal distribution — 68%, 95% and 3σ rules, standardised scores
Capture-recapture using the Petersen formula
Population estimation from sample data; sample size and reliability
Includes worked examples using authentic 2024 AQA exam questions, common mistake boxes from examiner reports, exam-style practice, and a full mark scheme.
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