26 progressive Edexcel A-Level (9MA0) statistical sampling questions with full mark-scheme style worked solutions.
What’s inside:
• Easy — population vs sample vs census, defining a sampling frame, advantages and disadvantages of a census
• Standard — simple random, systematic, stratified and quota sampling, identifying and explaining bias
• Challenging — opportunity and cluster sampling, choosing an appropriate method for a context, calculating stratified sample sizes
Every solution shows every step, with M1 (method), A1 (accuracy) and B1 (independent) marks annotated at exactly the point each would be awarded. Typeset in LaTeX for clean notation.
Ideal for: Year 12/13 students sitting Edexcel A-Level Mathematics (9MA0) Paper 3 Statistics, plus tutors and teachers building targeted practice. Print-friendly, hand straight to students.
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£1.99