Preparacion de Los Datos y Analisis de La Informacion

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Guadalupe Rosazza V.

Guadalupe Rosazza V.

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Proceso de preparación de los datos

Proceso de preparación de los datos

Preparación preliminar del plan de Preparación preliminar del plan de

análisis de datos análisis de datos

Revisión del cuestionario Revisión del cuestionario

Edición Edición Codificación Codificación Transcripción Transcripción

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Revisión del cuestionario

Revisión del cuestionario

En esta etapa se debe verificar que todos los cuestionarios en cuanto a ala calidad

En esta etapa se debe verificar que todos los cuestionarios en cuanto a ala calidad

de las entre

de las entrevistas y a que est

vistas y a que estén complet

én completos.

os. En caso de que el cuestio

En caso de que el cuestionario este

nario este

incompleto debe regresar a campo, razones:

incompleto debe regresar a campo, razones:

Partes incompletas del cuestionario

Partes incompletas del cuestionario

Patrón de respuestas indica que el encuestado no entendió la pregunta

Patrón de respuestas indica que el encuestado no entendió la pregunta

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Edición

Edición

Es la revisión de los cuestionarios con el objetivo de incrementar su exactitud y

Es la revisión de los cuestionarios con el objetivo de incrementar su exactitud y

precisión.

precisión. Consiste

Consiste en

en examinar

examinar los

los cuestionari

cuestionarios

os para

para identificar

identificar respuestas

respuestas

ilegibles, incompletas, incongruentes o ambiguas.

ilegibles, incompletas, incongruentes o ambiguas.

Devolución al

Devolución al

Asignación de

Asignación de

valores

valores

Descartar a los

Descartar a los

encuestados

encuestados

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Codificación

Codificación

Los cuestionarios cuyas respuestas son tratadas mediante un programa

Los cuestionarios cuyas respuestas son tratadas mediante un programa

deben estar totalmente codificadas, esto quiere decir que deben tener una

deben estar totalmente codificadas, esto quiere decir que deben tener una

identificación mediante un número de código

identificación mediante un número de código

SI CONSUMIO

SI CONSUMIO

GOMAS

GOMAS DE

DE MASCAR

MASCAR

1

1

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Codificación

Codificación

Aquellas preguntas cuya respuesta es una cifra o cantidad es aconsejable

Aquellas preguntas cuya respuesta es una cifra o cantidad es aconsejable

dejar estas

dejar estas preguntas abiertas.

preguntas abiertas.

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Codificación

Codificación

El libro de códigos contiene las instrucciones para la codificación y la

El libro de códigos contiene las instrucciones para la codificación y la

información necesaria sobre las variables en el

información necesaria sobre las variables en el conjunto de datos.

conjunto de datos.

Num.

Num.

Columna

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Transcripción

Transcripción

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Depuración de datos

Depuración de datos

esta basado en controles de errores, el cual se inicia con la prueba piloto

esta basado en controles de errores, el cual se inicia con la prueba piloto

del cuestionario en el que se ajustan las preguntas y las respuestas que

del cuestionario en el que se ajustan las preguntas y las respuestas que

surgirán de ella.

surgirán de ella.

Control de

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Clasificación delas técnicas estadísticas

Clasificación delas técnicas estadísticas

Técnicas Univariadas

Técnicas Univariadas

Pruebas paramétricas

Pruebas paramétricas

(datos métricos)

(datos métricos)

Pruebas no paramétricas

Pruebas no paramétricas

(datos no métricos)

(datos no métricos)

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Clasificación delas técnicas estadísticas

Clasificación delas técnicas estadísticas

Técnicas

Técnicas

multivariadas

multivariadas

Técnicas de

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Análisis descriptivo de los datos

Análisis descriptivo de los datos

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Distribución de frecuencias

Distribución de frecuencias

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Histograma de frecuencias

Histograma de frecuencias

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Estadísticos asociados con las Distribución de

Estadísticos asociados con las Distribución de

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Estadísticos asociados con las Distribución de

Estadísticos asociados con las Distribución de

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