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Paper 2 · Units and Measurement

What term describes an error that causes repeated measurements of the same quantity to have different, unpredictable values?

Model answer

random error

Also accepted: a random error

Explanation: A random error causes repeated readings of the same quantity to vary unpredictably, scattering above and below the true value.

Derived from ZIMSEC Physics Paper 2, June 2004, Q1

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