Sampling (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 population in statistical research?
What is a population in statistical research?
The complete group you want to study
What is a sample?
What is a sample?
A smaller group from the population
Which is NOT an advantage of using samples instead of surveying entire populations?
Which is NOT an advantage of using samples instead of surveying entire populations?
Complete accuracy guaranteed
What makes a sample 'random'?
What makes a sample 'random'?
Everyone has equal chance of selection
Which is a correct random sampling method?
Which is a correct random sampling method?
Use a computer to generate random numbers
What is the main problem with using only 5 students to represent an entire school?
What is the main problem with using only 5 students to represent an entire school?
The sample is too small
What sample size should you aim for when possible?
What sample size should you aim for when possible?
At least 20-30 participants
In the TV watching example, why was Ashik's estimate not very reliable?
In the TV watching example, why was Ashik's estimate not very reliable?
His sample size was too small
In the train example, whose data is more reliable?
In the train example, whose data is more reliable?
Paul's, he observed more trains
What is the relationship between sample size and reliability?
What is the relationship between sample size and reliability?
Larger samples are generally more reliable