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Absolute error , relative error , percentage error..chapter 2(em) 11 science

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212 views9likes18:14neemsciencezone2815Original Release: 2026-07-18

This video explains three types of measurement errors used in scientific observations: Absolute error is the magnitude of the difference between the observed value and the true value (|observed - true|); Relative error is the ratio of absolute error to the true value (|observed - true|/true); and Percentage error is the relative error multiplied by 100 to express it as a percentage. The instructor demonstrates these concepts through practical examples, showing how to calculate average values from multiple observations and apply error formulas to determine measurement accuracy.