Measurement

Margen de Error

Definición

El rango por encima y por debajo de un valor medido o estimado dentro del cual se espera que caiga el valor verdadero, expresado generalmente con un nivel de confianza establecido.

Explicación

A poll reporting 52% ± 3% has an error margin of 3 percentage points at 95% confidence, meaning the true value likely lies between 49% and 55%. In physical measurements, a laboratory scale might report 125.4 ± 0.1 g, indicating the true mass is within 0.08% of the reading. Error margins quantify uncertainty without hiding it.

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