Combined Science GCSE
Precision and repeatability of measurements
What Precision and repeatability of measurements means in Combined Science GCSE, as defined for AQA.
Definition of Precision and repeatability of measurements
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Reference: AQA
A small range relative to the mean indicates precise, repeatable measurements, while a large range warns that technique or apparatus may need checking.
Topics that use Precision and repeatability of measurements
- Chemical measurements (AQA GCSE)
Related terms
- Distribution
- Instrument resolution and precision
- Mean
- Measurement and uncertainty
- Random and systematic error
- Range as a measure of spread
- Evaluating experimental data
- Range
Using Precision and repeatability of measurements in the exam
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