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Percent error measures the accuracy of an experimental or measured value compared to an accepted or theoretical value. It expresses the discrepancy as a percentage, making it easy to compare errors across different scales and units.

चरण-दर-चरण मार्गदर्शिका

1. 1Percent error = |Experimental − Theoretical| / |Theoretical| × 100%
2. 2The absolute value removes the sign — percent error is always positive
3. 3Signed percent error indicates direction: positive = measured too high, negative = too low
4. 4Used in chemistry, physics, engineering, and manufacturing quality control

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