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A student performs three identical trials before calculating a mean. What is the main benefit?

Answer and explanation

Correct answer: The effect of random variation is reduced

The mean of repeated trials reduces random fluctuations. In exams averaging improves reliability but does not remove systematic error.

Related tags

MeanRepeated TrialsRandom ErrorReliabilityHypothesis And ExperimentationExploration: Entering The World Of Secondary ScienceExploration Entering The World Of Secondary ScienceScience

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