GCSE Statistics Sampling Problems and Answers

GCSE Maths statistics and sampling worksheet with 50 original problems and fully worked answers on sampling, bias, correlation and study design.

This printable workbook develops statistical reasoning from populations and variable types through random, systematic and stratified sampling, questionnaire design, correlation, reliability and evaluation of evidence.

Contents:

• populations, samples and variables
• random, systematic and stratified sampling
• questionnaire design and bias
• correlation and residuals
• reliability and validity
• study design and data quality
• complete worked answers

The download includes:

• a 15-page student workbook
• a separate 15-page worked-solutions booklet
• 50 original problems
• properly typeset mathematical notation
• Core, Standard and Challenge questions

Suitable for lessons, homework, revision, tutoring, intervention, cover work and independent practice.

This is an original, exam-board-neutral resource containing no copied examination questions. No examination-board endorsement is claimed.