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Un estudio de diferentes pruebas para el problema general de dos muestras
(2018-05)
In its most general form the two-sample problem is concerned with the question
whether two independent samples come from the same probability distribution.
There are a wide variety of methods to test this hypothesis. We ...
Métodos para encontrar intervalos de estimación para el problema on/off
(2014-06)
Considera los métodos para encontrar intervalos de estimación para alguno o varios parámetros, cuando hay parámetros de interés y parámetros de estorbo utilizados en modelos de probabilidad del problema on/off. Hacemos la ...
Binning in the chi-square goodness-of-fit test
(2019-07-10)
One of the most commonly used goodness-of-fit tests is based on Pearson's chi-square statistic. Since this requires class intervals for the data, questions arise with respect to the method of estimation, types, and the ...
The use of the Old Faithful Geyser data in both undergraduate and graduate statistics courses
(2019-05-08)
Many statistics teachers in line with the recommendations of several studies suggest using real-life context data during class lessons. The present work shows the use of the Old Faithful Geyser eruptions as a real-life ...
Tamaño de muestra necesario para que la estimación de intervalos Frecuentista y Bayesiano coincidan dentro de un error predeterminado
(2018-11-30)
Por lo general, se acepta que a medida que aumenta el tamaño de un conjunto
de datos, el efecto de la distribución previa en el intervalo de credibilidad Bayesiano
disminuye y estos intervalos se acercan a los correspondientes ...
A study of normality tests and an extension to the normality plot
(2010-05)
We are considering a number of existing normality tests and study their power against different alternative hypotheses. We also develop an extension to the normality plot by adding a fixed confidence band. This procedure ...