Exam-style question
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A computer stores a value as 118 when the actual value is 120. What is the absolute error?.
- A.0.0167
- B.2
- C.118
- D.238
Model answer
What a good answer should say
- 2
Explanation
Why this works
Absolute error is the magnitude of the difference between the actual value and the stored value: |120 - 118| = 2.
Common mistake
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