Noun
/ˈbaɪəst ˈsæmpl/
A "biased sample" refers to a subset of a population that is not representative of the whole population, leading to skewed or misleading results in statistical analysis. This term is commonly used in statistics, research, and surveys.
In terms of frequency of use, "biased sample" is primarily employed in written contexts, particularly in academic writing, research papers, and discussions related to statistics or data analysis. It is less common in casual oral speech.
A biased sample can lead to incorrect conclusions in research studies.
Un ejemplo de muestra sesgada puede llevar a conclusiones incorrectas en los estudios de investigación.
When conducting surveys, it's crucial to avoid using a biased sample to ensure accurate results.
Al realizar encuestas, es crucial evitar usar una muestra sesgada para garantizar resultados precisos.
The findings were called into question due to the use of a biased sample.
Los hallazgos fueron cuestionados debido al uso de una muestra sesgada.
While "biased sample" itself is not part of idiomatic expressions, it can be related to various phrases that involve bias or representation. Here are some idiomatic expressions that highlight the theme of bias or unfair representation:
A skewed perspective
The report provided a skewed perspective, focusing solely on the biased sample used in the survey.
El informe proporcionó una perspectiva sesgada, centrándose únicamente en la muestra sesgada utilizada en la encuesta.
Playing favorites
The selection committee was accused of playing favorites, resulting in a biased sample of applicants.
El comité de selección fue acusado de tener favoritismos, lo que resultó en una muestra sesgada de postulantes.
Confirmation bias
Researchers must be careful to avoid confirmation bias when analyzing data from a biased sample.
Los investigadores deben tener cuidado de evitar el sesgo de confirmación al analizar datos de una muestra sesgada.
Picking and choosing
He was accused of picking and choosing data from a biased sample to support his argument.
Se le acusó de seleccionar datos de una muestra sesgada para respaldar su argumento.
In the bag
If they used a biased sample, their results were practically in the bag, but not necessarily accurate.
Si usaron una muestra sesgada, sus resultados estaban prácticamente asegurados, pero no necesariamente precisos.
The term "biased" originates from the Middle French word "biais," meaning "slant," which reflects the idea of favoring one side over another. The word "sample" comes from the Latin "exemplum," meaning "example" or "sample." Combined, "biased sample" emphasizes an example from a population that is not fair or impartial.