Key term for OCR GCSE Chemistry B, used in Data interpretation and conclusions.
Unpredictable variations in measurements that lead to a spread of results around the true value.
Random error appears in OCR GCSE Chemistry B revision content for Ideas about Science, especially Data interpretation and conclusions and Evaluating experimental strategy.
Ideas about Science
Data interpretation and conclusions • Evaluating experimental strategy
Practical skills
Distillation • Apparatus and techniques
Ideas about Science
Data interpretation and conclusions • Confidence in hypothesis
Ideas about Science
Scientific investigation planning • Planning experiments
Ideas about Science
Scientific investigation planning • Sample size and range
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