arithmetic mean of sample
[əˈrɪθmətɪk min əv ˈsæmpəl]
nounpl: arithmetic means of samples
média aritmética da amostra
1. The sum of all values in a sample divided by the number of observations in that sample; a measure of central tendency used in statistics
The arithmetic mean of sample was calculated by adding all test scores and dividing by the number of students.
A média aritmética da amostra foi calculada somando todas as notas de teste e dividindo pelo número de alunos.
2. A statistical estimator of the population mean based on a subset of data
We used the arithmetic mean of sample to estimate the average height of the population.
Usamos a média aritmética da amostra para estimar a altura média da população.
This is a technical statistical term used universally in academic, scientific, and business contexts in both Brazil and the USA. It is fundamental to statistics courses and data analysis. The term is identical across Portuguese-speaking countries, reflecting the standardized nature of statistical terminology in international academic discourse.
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