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:
- A0.10 s
- B0.11 sCorrect
- C0.12 s
- D0.13 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.