Least certain value

Key term for OCR GCSE Chemistry B, used in Data interpretation and conclusions.

Definition

The data point in a calculation with the smallest number of significant figures, which dictates the maximum allowable precision of the final result.

Exam Context

Least certain value appears in OCR GCSE Chemistry B revision content for Ideas about Science, especially Data interpretation and conclusions and Significant figures.

Ideas about Science Data interpretation and conclusions Significant figures

Found in Revision Notes

Ideas about Science

Significant figures

Data interpretation and conclusions • Significant figures

Revise note

Related Key Terms

Accuracy Exact numbers Precision Relative atomic mass (Aᵣ)

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