What sampling method collects data from every member of the population?
Easily reached people may differ systematically from the population.
A census.
The testing may destroy the items.
It requires no sampling frame.
Flashcards for WJEC A Level Maths 2.1.3 Statistical Sampling, covering the key formulae, methods and definitions you need to recall for AS Unit 1, AS Unit 2, A2 Unit 3 and A2 Unit 4. 25 cards, matched to the WJEC A Level Maths (1300QS) specification. Recall questions account for roughly 50% of marks at A Level Maths, so these target the marks you can secure before the paper starts.
