Chemistry A-Level
Precision
What Precision means in Chemistry A-Level, as defined for OCR.
Definition of Precision
Check what you remember
Read the wording for your board, then hide it and explain Precision in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Describes how close repeated measurements are to one another.
Topics that use Precision
- Evaluation (OCR A-Level)
Related terms
- Anomaly
- Apparatus uncertainty
- Concordant
- Direction of error
- Justifying exclusion
- Accuracy
- Limitation
- Percentage error
Using Precision in the exam
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