Combined Science GCSE
Random and systematic sampling
What Random and systematic sampling means in Combined Science GCSE, as defined for AQA.
Definition of Random and systematic sampling
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Reference: AQA
Placing quadrats randomly, such as by using a random number generator to select coordinates, or along a transect at regular intervals.
Topics that use Random and systematic sampling
- Levels of organisation (AQA GCSE)
Related terms
- Abiotic factors and species distribution
- Accuracy of plotting
- Biomass
- Community
- Food chain
- Line or curve of best fit
- Mean
- Median
Using Random and systematic sampling in the exam
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