sample unit

[ˈsæmpəl ˈjuːnɪt]
nounpl: sample units
unidade amostral
1. A single individual, item, or element selected from a population for statistical analysis or quality control testing
Each sample unit was tested for defects before being shipped to customers.
Cada unidade amostral foi testada quanto a defeitos antes de ser enviada aos clientes.
2. In research methodology, the basic unit of observation or measurement in a sampling design
The researchers selected 500 sample units from the target population for their survey.
Os pesquisadores selecionaram 500 unidades amostrais da população-alvo para sua pesquisa.
3. In quality assurance, a single product or batch component examined for conformity to standards
The quality inspector examined each sample unit under strict laboratory conditions.
O inspetor de qualidade examinou cada unidade amostral em condições rigorosas de laboratório.
In Brazilian industrial and academic contexts, 'unidade amostral' is the standard technical term used in quality management systems (ISO standards) and statistical research. In Portugal, 'unidade de amostragem' is preferred in formal academic and scientific publications. The term reflects the increasingly technical and standardized language used in manufacturing and research sectors across Portuguese-speaking countries.
Synonyms / Sinônimos
samplesampling unitobservation unittest unit
Antonyms / Antônimos
populationentire batch

Regional Variations

General Brazilian
unidade amostral
Standard term used in statistics and quality control contexts
São Paulo
unidade de amostra
Alternative form, sometimes used in industrial quality assurance
Portugal
unidade de amostragem
Formal Portuguese variant, common in academic and scientific contexts
General Brazilian
amostra
Simplified term used colloquially, though technically less precise

Related Words

samplingstatistical analysisquality controlpopulationdata collectionsurvey

Related Idioms & Phrases

drawing a sample
sample size determination
random sample unit
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