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The complete set of people or items being studied is the [ ]; one person or item is a sampling unit.
A
It guarantees subgroup representation and may improve precision.
B
A census would destroy the entire population.
C
The complete set of people or items being studied is the population; one person or item is a sampling unit.
D
Selection within each category is not random.
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2.1.4 Statistical Sampling Flashcards
22 flashcards on WJEC A Level Maths 2.1.4 Statistical Sampling: the key formulae, methods and definitions you need to recall for AS Unit 1, AS Unit 2, A2 Unit 3 and A2 Unit 4.