Exam-style question
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A value of 78 is stored instead of the actual value 80. What is the relative error?.
- A.0.025
- B.0.04
- C.2
- D.0.975
Model answer
What a good answer should say
- 0.025
Explanation
Why this works
Relative error is absolute error divided by the actual value. The absolute error is 2, so the relative error is 2 / 80 = 0.025.
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