ST9 Estimation and quality assurance personal learning checklist

Edexcel GCSE Statistics 1ST0 · Both papers · Foundation and Higher

Higher statements are labelled. Show full workings, construct graphs and use real sourced data for enquiry tasks.

Name ____________________ Class __________ Date __________

Tick one box per statement. Red: need help. Amber: partly confident. Green: can do independently.

I can	Red	Amber	Green
Population estimation
Estimate population proportions, counts and centres from representative sample summaries.
Explain sample-size and replication effects while distinguishing sampling variation from bias.
Evaluate a population estimate's scope and propose improvements to its specific weaknesses.
Higher — capture–recapture
Apply Petersen capture–recapture with the correct marked, catch and recapture counts (Higher). [Higher]
Evaluate capture–recapture assumptions and the direction of plausible biases (Higher). [Higher]
Explain instability with few or zero recaptures and propose a revised plan (Higher). [Higher]
Higher — quality assurance
Explain why sample means vary less and identify the monitored statistic's SD (Higher). [Higher]
Construct and interpret control charts with warning and action limits (Higher). [Higher]
Select appropriate responses to warning and action signals and distinguish product limits (Higher). [Higher]

Next revision priority: __________________________________________________