Populations (AQA GCSE Statistics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What defines a population in statistics?
What defines a population in statistics?
All members of a group
What is a census?
What is a census?
Data from all members
What is a key advantage of a sample?
What is a key advantage of a sample?
Lower cost and time
What is a sampling unit?
What is a sampling unit?
A single data point
What characterizes a representative sample?
What characterizes a representative sample?
It mirrors population traits
What is a pilot survey?
What is a pilot survey?
A small trial run
Why is sample size important?
Why is sample size important?
It influences reliability
What is a common mistake in sampling?
What is a common mistake in sampling?
Confusing population with sample
What is a poor sampling frame?
What is a poor sampling frame?
Outdated or incomplete
What does bias in sampling mean?
What does bias in sampling mean?
Favoring certain groups