Site Overlay

ESTADISTICA PARAMETRICA PDF

Estadistica no Parametrica: Aplicada a las Ciencias de la Conducta [Sidney Siegel] on *FREE* shipping on qualifying offers. Contenido: • El uso. Palabras clave: t-Student, distribución de normalidad, estadística. . Desde otra óptica se ha usado estadística no paramétrica en muestras grandes cuando la. Traducción de: Non Parametric Statistics for the Behavioral Sciences Estudio acerca de la inferencia estadística aplicada a las pruebas de hipótesis, en razón .

Author: Telmaran Tokazahn
Country: Cape Verde
Language: English (Spanish)
Genre: Love
Published (Last): 4 June 2004
Pages: 24
PDF File Size: 10.26 Mb
ePub File Size: 1.91 Mb
ISBN: 839-9-38766-155-1
Downloads: 34304
Price: Free* [*Free Regsitration Required]
Uploader: Shagrel

The Estadkstica 2 test was used for the goodness-of-fit of negative binomial distribution and as a test of independence to investigate the relationship between plant strata and insect stages. This deserves estadishica attention because the first transformation is one of those most applied to data from insect populations and sometimes without verifying a priori and a posteriori the fulfillment of the assumptions.

Given this negative result, comparisons between insect population densities were made using the nonparametric Kruskal-Wallis ANOVA test.

Se selecciona uno al azar en el primer grupo y se elige el que ocupa el mismo lugar en todos los grupos. El paramdtrica de confianza para la media en muestras grandes se puede escribir como. Therefore, the analyses between categories should take into account the combination of both. Larvae and adults were quantified at sampling with the help of 10X magnifying glasses.

Prueba exacta de Fisher

Una cota inferior para la varianza viene dada por la denominada cota de Cramer-Rao. The assumptions underlying the analysis of variance. En la mayor parte de las investigaciones reales suponemos que las variables o transformaciones de las mismas logaritmos, etc, La tabla siguiente contiene paramdtrica muestra aleatoria simple de 14 observaciones.

  LA4445 DATASHEET PDF

The test of nonparametric multiple comparisons was used when necessary according to Conoverwho proposes using the usual parametric procedure, Fisher’s least parametric difference, which is computed on ranks instead of data.

Observations were made weekly of the apical leaflet located in the lower, middle, and higher strata. Jurnal Biosains 18 2: The lack of normality of errors is of little importance in Fisher’s F-test from ANOVA because estadsitica is a robust technique in the presence of deviations of this assumption.

Consideraremos criterios adicionales para seleccionar estimadores. Es obvio que este valor no es el contenido exacto de cada una de las botellas, sino que se trata de un contenido medio.

This reduced the number of classes, which was not greater than three; at least four classes were needed to fit this distribution. University of North Carolina Press.

t-Student: Usos y abusos

Data came from Thrips palmi Karny Thysanoptera: The parametric statistical methods are widespread and well-known and are the most used in these studies.

In this paper, we describe the results of applying these techniques to data from Thrips palmi Karny sampled in potato Solanum tuberosum L. Sea X una variable aleatoria con f. Las distintas posibilidades son. El proceso de aprendizaje.

The dependence between mean and variance of original and transformed data was verified by Pearson’s correlation coefficient. An analysis of transformations. Estadisyica muestral estimador sesgado.

This is used to transform data, calculate sample sizes, and design sequential sampling plans Southwood, Estudiaremos cada uno de los apartados mencionados aunque no necesariamente en el orden en el que aparecen en el cuadro anterior. Seven data transformations were tested based on the fit of negative binomial distribution and variance heterogeneity inside the aggregate spatial pattern of this insect species and of the close relationship between the variance and the mean from the fit to paeametrica TPL Cabrera, Data of agricultural pest populations do not generally fulfill the basic assumptions to apply parametric statistical methods because they are essentially discrete.

  INTRODUCTION A LA SOCIOLINGUISTIQUE HENRI BOYER PDF

Estadistica parametrica by Axel Guerrero on Prezi

Data from all three seasons were combined in a single set and the samples considered as coming from the same population were tested for homogeneity by Taylor’s Power Law TPL regression slopes and intercepts and by an analysis of covariance to compare regression lines Cabrera et al. The vertical distribution and monitoring population of Thrips palmi Karny Thysanoptera: Comparison of sampling methods used to estimate spider Araneae species abundance and composition in grape vineyards.

Los valores muestrales X 1Ecological aspects and pest status. Transformations are performed to search for a new scale in the analyzed variables in such a way that the errors are approximately normally distributed and have homogeneous variances Eisenhart, ; Steel and Torrie, Data transformation With the adjustment of the negative binomial distribution, data were transformed through the following expressions: Por ejemplo la media muestral.

Sustituyendo Z por su valor en este caso particular. Despejando la media muestral y la varianza.