Sampling & Data Collection (AQA A-Level Mathematics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
Which type of data is non-numerical?
Which type of data is non-numerical?
Qualitative data
What is a key characteristic of continuous data?
What is a key characteristic of continuous data?
Can take infinite number of values
The number of goals scored in a game is an example of which type of data?
The number of goals scored in a game is an example of which type of data?
Discrete data
What is a census?
What is a census?
Sample same size as the population
Which is a disadvantage of taking a census?
Which is a disadvantage of taking a census?
Time-consuming
What is a biased sample?
What is a biased sample?
Sample not representing population
In simple random sampling, what must be true?
In simple random sampling, what must be true?
Each member has equal chance chosen
What characterises stratified sampling?
What characterises stratified sampling?
Subcategories proportionally represented
Systematic sampling involves which approach?
Systematic sampling involves which approach?
Applying a rule to the population
What defines opportunity sampling?
What defines opportunity sampling?
Ask first people seen till enough data