BIOEST Flashcards

1
Q

POBLACION DIANA

A

REFERENCIA

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2
Q

POBLACION ELEGIBLE

A

UNIVERSO

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3
Q

MUESTRA

A

A QUIEN USO
Debe ser representativa de la poblacion

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4
Q

MAYOR MUESTRA

A

MAYOR IC
MENOR ERROR

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5
Q

MENOR MUESTRA

A

MENOR IC
MAYOR ERROR

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6
Q

PROBABILISTICA (POBLACIONES

A
  • aleatorio simple
  • sistematico (cada tanto)
  • estratificado (diferentes poblaciones)
  • conglomerado (se construye)
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7
Q

NO PROBABILISTICA

A
  • consecutivo (las primeras 500)
  • conveniencia
  • criterio
  • bola de nieve
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8
Q

VARIABLE INDEPENDIENTE

A

Causa - riesgo

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9
Q

VARIABLE DEPENDIENTE

A

Efecto - outcome

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10
Q

Cuantitativa

A

Continua = infinito (peso, talla)
Discreta = numero fijo (numero de hijos)
Intervalo: in between numbers
Razon: un numero donde 0 = ausencia

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11
Q

CUALITATIVA

A

Se cuentan pero no se miden
Nominal: no need for order
Ordinal: in need of order
Dicotomica: 2 variables
Policotomica: 3+ variables

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12
Q

RAZON

A

A/B

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13
Q

PROPORCION

A

A/A+B

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14
Q

TASA

A

A/B*K

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15
Q

INCIDENCIA

A

Casos nuevos / personas

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16
Q

PREVALENCIA

A

Casos totales / persona

17
Q

MORTALIDAD

A

Muertos/poblacion total

18
Q

LETALIDAD

A

Muertos/enfermos

19
Q

Barras simples y Pastel

A

Tabla de freucencia (1 cualitativa)

20
Q

Histograma

A

Frecuencia variable cuantitativa continua

21
Q

Barras compuestas y superpuestas

A

2 variables

22
Q

Poligono de frecuencia

A

Una y una

23
Q

Diagrama de puntos

A

2 cuantitativas continuas