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Variabilidad Absoluta y Relativa en Distribuciones de Frecuencias : Coeficientes e Intervalos de Confianza by Rafael Hernandez-Nieto (2011, Trade Paperback)

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La Desviaci n T pica, la medida de dispersi n m s utilizada por sus propiedades estad sticas, s lo mide la variabilidad absoluta de una determinada distribuci n, sin que se pueda evaluar e interpretar apropiadamente su verdadera magnitud, debido a que carece de una referencia escalar tal que se pueda indicar un valor m nimo y un valor m ximo de variabilidad, distinta a la escala de la variable objeto de medici n. El prop sito fundamental de este trabajo es el de continuar y ampliar el an lisis de las propiedades del Coeficiente de Variaci n Proporcional (CVP), iniciado por el autor en un libro anterior ("Contribuciones al An lisis Estad stico", 2000a, 2000b). En relaci n con la Sensibilidad (Estabilidad y Consistencia), se han incorporado nuevas transformaciones escalares, y se le compara con cinco coeficientes tradicionales de variabilidad relativa (Coeficiente de Variaci n, Coeficiente de Rango, Coeficiente de Desviaci n Media, Coeficiente de Desviaci n Mediana, Coeficiente de Desviaci n Cuart lica) . Se han definido cuatro nuevas formas del CVP (emp rico insesgado, emp rico sesgado, escalar insesgado, escalar sesgado). Se han calculado los correspondientes intervalos de confianza (m todos Wald, Wilson y Hays) y se ha desarrollado la correspondiente prueba de contrastaci n de hip tesis. Como una importante aplicaci n del CVP se demuestra un error en los supuestos de la Prueba de Homogeneidad de Varianzas de Levene y se propone un Factor de Correcci n, basado en el CVP. Se plantean los problemas de sobrestimaci n de la variabilidad en distribuciones con N iguales o menores que 10 cuando se utiliza la Desviaci n T pica Insesgada (con Factor de Correcci n N-1), as como en Distribuciones de Variaci n M xima. Se reporta un error en SPSS cuando se calcula la Desviaci n T pica en distribuciones de tama o N = 2, dado que el SPSS siempre calcula la Desviaci n T pica aplicando el factor N - 1.

Product Identifiers

Publisher
CreateSpace
ISBN-10
1456356704
ISBN-13
9781456356705
eBay Product ID (ePID)
109063985

Product Key Features

Author
Rafael Hernandez-Nieto
Format
Trade Paperback
Language
Spanish
Topic
Probability & Statistics / General, Research
Publication Year
2011
Type
Textbook
Genre
Mathematics, Social Science
Number of Pages
172 Pages

Dimensions

Item Length
10in
Item Height
0.4in
Item Width
8in
Item Weight
15.9 Oz

Additional Product Features

Prologue by
Duran, Mariano
Publication Name
Variabilidad Absoluta y Relativa en Distribuciones de Frecuencias : Coeficientes e Intervalos de Confianza
Target Audience
Trade

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Variabilidad Absoluta y Relativa en Distribuciones de Frecuencias : Coeficientes e Intervalos de Confianza by Rafael Hernandez-Nieto (2011, Trade Paperback)

About this product

Product Information

Product Identifiers

Product Key Features

Dimensions

Additional Product Features

Best Selling in Books

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