If the true value of a measurement is 50.0 units and the measured value is 48.0

Practice Questions

Q1
If the true value of a measurement is 50.0 units and the measured value is 48.0 units, what is the percentage error?
  1. 4.0%
  2. 2.0%
  3. 5.0%
  4. 3.0%

Questions & Step-by-Step Solutions

If the true value of a measurement is 50.0 units and the measured value is 48.0 units, what is the percentage error?
  • Step 1: Identify the true value and the measured value. The true value is 50.0 units and the measured value is 48.0 units.
  • Step 2: Subtract the measured value from the true value. Calculate 50.0 - 48.0.
  • Step 3: Take the absolute value of the result from Step 2. This means ignoring any negative sign.
  • Step 4: Divide the absolute difference (from Step 3) by the true value (50.0).
  • Step 5: Multiply the result from Step 4 by 100 to convert it into a percentage.
  • Step 6: The final result is the percentage error.
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