Mathematics GCSE
unbiased samples
What unbiased samples means in Mathematics GCSE, as defined for Pearson Edexcel.
Definition of unbiased samples
Check what you remember
Read the wording for your board, then hide it and explain unbiased samples in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: Pearson Edexcel
Results from an experiment with no bias, whose relative frequency tends towards the theoretical probability distribution as the sample size increases.
Topics that use unbiased samples
- Probability (Pearson Edexcel GCSE)
Related terms
- bias
- Conditional probability
- Equally likely outcomes
- Event
- Expected frequencies
- Expected frequency
- expected outcomes
- Fair randomising device
Using unbiased samples in the exam
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