error reporting hard

Question

Final result usually reported as X ± ΔX where ΔX denotes:

RankGuru · Accepted Answer

We can never know the 'True Error' (because we never know the 'True Value' perfectly).
- $\Delta X$ represents the **Uncertainty**, which is our best estimate of the range within which the true value likely lies.
- It combines least count limits, random spread (via standard deviation), and potential systematic bounds.

Rank Guru

error reporting hard

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