Sampling & Data Collection (AQA A-Level Mathematics): Flashcards

Non-numerical data

Numerical data

Numerical data that can take an infinite number of values

Data that can only take certain values (countable)

Entire set of objects from which we can draw a sample

A subset of the population

When a sample is the same size as the population

Each member has equal chance of being chosen

Each subcategory is proportionally represented

Using a rule to generate a sample