Random Uncertainty - (max value - min value)/number of readings , Systematic Uncertainty - When all measurements affected the same way (e.g. all readings too high/low due to failure to 'zero' correctly , Percentage Uncertainty - Expressing an uncertainty in percentage form - useful for comparing uncertainties, Analogue Scale Reading Uncertainty - ± half of the smallest scale division, Digital Scale Reading Uncertainty - ± 1 in the least significant digit,

Uncertainty

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