sample mean
[ˈsæmpəl miːn]
nounpl: sample means
média amostral
1. the arithmetic average of a set of observations or data points drawn from a larger population; calculated by summing all values in the sample and dividing by the number of observations
The sample mean of the test scores was 78, indicating the average performance of the students tested.
A média amostral das notas do teste foi 78, indicando o desempenho médio dos alunos testados.
2. a statistic used to estimate the population mean and serve as a basis for statistical inference
Researchers used the sample mean to make inferences about the average height of the entire population.
Os pesquisadores usaram a média amostral para fazer inferências sobre a altura média de toda a população.
The term 'sample mean' is fundamental in statistics and is universally used in both Brazilian and American academic contexts. In Brazil, it is a core concept taught in statistics courses (Estatística) at universities and technical schools. The concept is essential for understanding statistical inference and quality control in manufacturing, which are important industries in both countries.
Look up more words on Fala2Me
The free English-Portuguese dictionary with real Brazilian accents, NYC slang, conjugator and more
Open Fala2Me →