estadistica descriptiva
TRANSCRIPT
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PROGRAMA DE FORMACION:
MODULO:
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INSTRUCTOR: EDISON MORALES
ESTADÍSTICA DESCRIPTIVA
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CLASIFICACION DE LAS VARIABLES
CUALITATIVAS
V. ORDINAL V. NOMINAL
CUANTITATIVAS
V. DISCRETA V. CONTINUA
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INDIVIDUO, POBLACIÓN Y MUESTRA
Cada uno de los elementos que componen la población estadística. El individuo es un ente observable que no tiene por qué ser una persona, puede ser un objeto O un ser vivo.
Es el conjunto de todos los elementos que cumplen ciertas propiedades y entre los cuales se desea estudiar un determinado fenómeno.
Es el subconjunto de la población que es estudiado y a partir de la cual se sacan conclusiones sobre las características de la población.
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ABSOLUTA RELATIVA
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EDADESN
LIMITESLi-Ls
LIMITES REALES Lri-Lrs
PUNTOS MEDIOS
xi
FREC. ABSOLUTAS
ni
28 28-31 27,5-31,5 29,5 4
30 32-35 31,5-35,5 33,5 11
30 36-39 35,5-39,5 37,5 6
31 40-43 39,5-43,5 41,5 7
… 44-47 43,5-47,5 45,5 2
ABSOLUTA
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Xi Fi hi Hi PORCENTAJE37 1 1/20 = 0,05 0,05 5%
38 2 2/20 = 0,10 0,15 10%
39 6 6/20 = 0,30 0,45 30%
40 4 4/20 = 0,20 0,65 20%
413 3/20 = 0,15 0,80 15%
42 1 1/20 = 0,05 0,85 5%
43 2 2/20 = 0,10 0,95 10%
44 1 1/20 = 0,05 1 15%
SUMA 20 1 100%
RELATIVA
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