1. The actual frequency distribution of data collected from a sample or population in a statistical study, as opposed to a theoretical or expected distribution.
The observed distribution of test scores showed a different pattern than the normal distribution predicted by theory.
A distribuição observada das notas do teste mostrou um padrão diferente da distribuição normal prevista pela teoria.
2. In statistics, the empirical frequencies or proportions obtained from experimental data or real-world measurements.
Researchers compared the observed distribution with the expected distribution using a chi-square test.
Os pesquisadores compararam a distribuição observada com a distribuição esperada usando um teste qui-quadrado.