sample size
[/ˈsæmpəl saɪz/]
nounpl: sample sizes
tamanho da amostra
1. The number of observations or individual units selected from a population for a statistical study or survey
A larger sample size increases the reliability of the research findings.
Um tamanho de amostra maior aumenta a confiabilidade dos resultados da pesquisa.
2. The quantity of a product provided as a trial or demonstration before purchase
The cosmetics company gave customers a sample size of their new perfume.
A empresa de cosméticos ofereceu aos clientes um tamanho de amostra do seu novo perfume.
3. In statistics, the number of individuals or items used to represent a larger population in analysis
The study was criticized for its small sample size of only 50 participants.
O estudo foi criticado pelo seu pequeno tamanho de amostra de apenas 50 participantes.
In Brazil, the term 'tamanho da amostra' is widely used in academic research, market research, and quality control industries. In the USA, sample size determination is critical for research validity and is heavily regulated in pharmaceutical and clinical trials. The concept is fundamental to both American and Brazilian statistical practices and market research methodologies.
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