frequency curve
[/ˈfriːkwənsi kɜːrv/]
nounpl: frequency curves
curva de frequência
1. A graph that represents the distribution of frequencies of a variable, typically showing how often values occur within specific intervals or ranges
The frequency curve showed a normal distribution of test scores among the students.
A curva de frequência mostrou uma distribuição normal das notas dos testes entre os alunos.
2. In statistics, a smooth curve plotted on a frequency histogram that represents the distribution pattern of data
By analyzing the frequency curve, researchers could identify the modal class of the dataset.
Ao analisar a curva de frequência, os pesquisadores conseguiram identificar a classe modal do conjunto de dados.
3. A visual representation used in physics and engineering to display how the amplitude or magnitude of a system varies with frequency
The frequency curve of the acoustic system revealed resonance peaks at specific frequencies.
A curva de frequência do sistema acústico revelou picos de ressonância em frequências específicas.
This is a technical term primarily used in academic, scientific, and engineering contexts in both Brazil and the United States. It is fundamental to statistics education and data analysis practices. The term is universally understood among professionals in mathematics, statistics, physics, and engineering fields across both Portuguese and English-speaking countries.
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