Random sampling (Edexcel GCSE Statistics): Quizzes
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Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is a key feature of random sampling?
What is a key feature of random sampling?
Everyone has an equal chance
Which method is NOT used for random sampling?
Which method is NOT used for random sampling?
Convenience sampling
What is a disadvantage of random sampling?
What is a disadvantage of random sampling?
Requires a complete list
What is a sampling frame?
What is a sampling frame?
A list of all population members
Why is larger random sampling preferred?
Why is larger random sampling preferred?
More representative of the population
What must a researcher do before sampling?
What must a researcher do before sampling?
Create a sampling frame
What's an example of manual random sampling?
What's an example of manual random sampling?
Rolling dice
When is random sampling most effective?
When is random sampling most effective?
Large, diverse populations
How does bias affect statistical results?
How does bias affect statistical results?
Skews the data
What is the main benefit of unbiased sampling?
What is the main benefit of unbiased sampling?
Accurate reflection of the population