sample average
[ˈsæmpəl ˈævərɪdʒ]
nounpl: sample averages
média amostral
1. The arithmetic mean of a set of observations drawn from a larger population; calculated by summing all values in a sample and dividing by the number of observations
The sample average of the test scores was 78 out of 100.
A média amostral das notas do teste foi 78 de 100.
2. A statistical measure used to estimate the population mean and make inferences about the larger dataset from which the sample was taken
We calculated the sample average to estimate the mean height of all students in the university.
Calculamos a média amostral para estimar a altura média de todos os estudantes da universidade.
This is primarily a technical and academic term used in statistics courses and research contexts in both Brazil and the USA. It is fundamental to understanding inferential statistics and is taught universally in statistics, mathematics, and social science programs across English and Portuguese-speaking countries.
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