NEET Physics · Hard

Units & Measurements: Error Analysis MCQ

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Error AnalysisHardQuestion 5038

Question

The mean absolute error in five measurements of time: 2.63, 2.56, 2.42, 2.71, 2.80 seconds is approximately:
  1. A
    0.10 s
  2. B
    0.11 s
    Correct
  3. C
    0.12 s
  4. D
    0.13 s

Correct answer

0.11 s

Explanation

Mean = 13.12/5 = 2.624 s. Deviations: |0.006|, |0.064|, |0.204|, |0.086|, |0.176|. Mean absolute error = 0.536/5 ≈ 0.11 s.