skewed sample
[/skjuːd ˈsæmpəl/]
nounpl: skewed samples
amostra enviesada
1. A sample in statistics that does not accurately represent the population from which it was drawn due to bias in the selection process or data collection method
The survey results were based on a skewed sample that only included online respondents, missing the perspectives of those without internet access.
Os resultados da pesquisa foram baseados em uma amostra enviesada que incluía apenas respondentes online, perdendo as perspectivas daqueles sem acesso à internet.
2. A subset of data that is disproportionately weighted toward certain characteristics, leading to unreliable or misleading conclusions
The study's conclusions were questionable because it relied on a skewed sample of high-income individuals.
As conclusões do estudo foram questionáveis porque se baseavam em uma amostra enviesada de indivíduos de alta renda.
In both Brazilian and American academic contexts, understanding skewed samples is critical for research integrity. Brazilian universities emphasize this in methodological courses, while in the USA, awareness of skewed samples is particularly important in social sciences and market research to avoid misleading public conclusions.
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