non-random error
[/nɑːn ˈrændəm ˈɛrər/]
nounpl: non-random errors
erro sistemático
1. A measurement or experimental error that is consistent, predictable, and biased in a particular direction, rather than occurring by chance. It follows a pattern and is not randomly distributed.
The scale was consistently showing weights 2 pounds heavier than actual, which is a non-random error that skewed all measurements.
A balança estava consistentemente mostrando pesos 2 quilos mais pesados do que o real, um erro sistemático que distorceu todas as medições.
2. In statistics and scientific research, an error that affects results in a biased way, often due to instrumental malfunction, procedural flaws, or environmental factors.
The researcher discovered a non-random error in the data collection process caused by improper calibration of the equipment.
O pesquisador descobriu um erro sistemático no processo de coleta de dados causado pela calibração inadequada do equipamento.
This is primarily a technical term used in scientific, statistical, and engineering contexts in both Brazil and the USA. The term reflects the importance of accuracy in research methodology. In Brazilian scientific education, 'erro sistemático' is the standard terminology taught in physics and statistics courses. The distinction between non-random and random errors is fundamental to understanding experimental design and quality control in both American and Brazilian scientific practices.
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