muest ra
DESCRIPTION
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Tema: muestreo.
Aprendiz:
Stefany Rojano Majul.
Instructor:
Jesús medina.
Programa:
Tecnólogo en gestión de mercados.
Ficha: 868414.
Fecha: 25/03/2015.
![Page 2: Muest Ra](https://reader035.vdocumento.com/reader035/viewer/2022072009/55cf9068550346703ba5a30f/html5/thumbnails/2.jpg)
4. MUESTREO.
4.1MARCO MUESTRUAL:
ELEMENTO: Administradores y gerentes.
UNIDADES DE MUESTREO: empresas de asesorías
TOTAL DE EMPRESAS: PAGINAS AMARILLAS DEL DIRECTORIO INDUSTRIAL DE BARRANQUILLA
ALCANCE: cuidad de barranquilla.
TIEMPO: 24/03/2015 a 30/05/2015.
4.2 muestra.
Determinar la muestra considerando un error de estimación del 2% y un índice de confianza del 95%, se supone que después de un análisis previo de la situación, se encontró que el servicio de asesorías fue aceptado en un 40%.
e=2%=00,2
O= 95%=1,96
P=40%=0,4
Q=60%=0,6
n= O² PQ = 1,96² (0,4) (0,6) = 3,8416 (0,24) = 0,921984 =
e² (0,02)² (0,0004) 0,0004
n= 2,304
2,304
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Para una población de 6000 elementos
n = n0 = 2.305 = 2.305 = 1665 ENTREVISTAS.
1+ n0 1+2.305 1.384
N 6000