n (statistical term)

[en]
noun
n (tamanho da amostra)
1. The symbol representing the total number of observations or subjects in a statistical sample or dataset
In this study, n = 150 participants were randomly selected.
Neste estudo, n = 150 participantes foram selecionados aleatoriamente.
2. A variable used in statistical formulas and equations to denote sample size
The confidence interval is calculated using the formula that includes n in the denominator.
O intervalo de confiança é calculado usando a fórmula que inclui n no denominador.
3. In inferential statistics, the count of data points used in analysis or hypothesis testing
As n increases, the standard error decreases.
À medida que n aumenta, o erro padrão diminui.
In both Brazilian and international academic contexts, 'n' is universally recognized as the standard notation for sample size. It is rarely translated in formal statistical writing and papers, remaining as the Latin letter 'n' across all languages and regions. Understanding this symbol is fundamental to reading and conducting research in social sciences, medicine, psychology, and other empirical fields.
Synonyms / Sinônimos
sample sizenumber of observationsnumber of subjectscount

Regional Variations

General Brazilian
n (tamanho da amostra)
Standard usage in academic and statistical contexts
Portugal
n (dimensão da amostra)
Portuguese variant, less commonly used than Brazilian Portuguese
Academic English
n
Universal symbol in statistical notation across English-speaking regions

Related Words

populationsampleN (population size)meanstandard deviationvariance

Related Idioms & Phrases

n-size
large n
small n
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