JEE Physics · Medium

Errors and Measurements: Mean Absolute Error MCQ

Solve this quality-checked JEE multiple-choice question, then review the correct answer and explanation.

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Mean Absolute ErrorMediumQuestion 30117

Question

Using the readings above (2.50, 2.53, 2.47, 2.51, 2.49 cm; mean = 2.50 cm), the mean absolute error is:
  1. A
    0.02 cm
    Correct
  2. B
    0.03 cm
  3. C
    0.01 cm
  4. D
    0.04 cm

Correct answer

0.02 cm

Explanation

Deviations: 0.00, 0.03, 0.03, 0.01, 0.01. Mean absolute error = (0+0.03+0.03+0.01+0.01)/5 = 0.08/5 = 0.016 ≈ 0.02 cm.