Sampling and Data Collection (AQA GCSE Maths): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is a sample?
What is a sample?
A smaller group selected from population
What does 'random' mean for a good sample?
What does 'random' mean for a good sample?
Every member has equal chance of selection
Which sampling method would create a biased sample about transport preferences?
Which sampling method would create a biased sample about transport preferences?
Surveying people only at train stations
What is primary data?
What is primary data?
Information you collect yourself
What is an advantage of secondary data over primary data?
What is an advantage of secondary data over primary data?
Quick and cheap to access
Which type of data is 'favourite ice cream flavour'?
Which type of data is 'favourite ice cream flavour'?
Qualitative
Which is an example of discrete data?
Which is an example of discrete data?
Number of customers in a shop
Which is an example of continuous data?
Which is an example of continuous data?
Height of people
How should continuous data classes be written?
How should continuous data classes be written?
Using inequalities like
You tag 100 fish. Later, you catch 80 fish and 10 are tagged. Estimate the total population.
You tag 100 fish. Later, you catch 80 fish and 10 are tagged. Estimate the total population.
800 fish