Estadistica 1 p3 2024

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Coeficiente de Variacion

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23 Terms

1

Coeficiente de Variacion

es igual a la desviación estandar dividida por la media, multiplicada por 100%

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2

Puntuaciones Z

Un valor extremo atipico es un valor ubicado muy lejos de la media

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3

media<mediana

asimétrica negativo o sesgo izquierdo

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4

media= mediana

simetrica o asimetrica cero

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5

media>mediana

asimétrica positiva o sesgo derecho

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6
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7

media

suma de todo los valores/tamaño de la muestra

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8

mediana

n+1/2

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9

moda

valor que aparece mas seguido

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10

primer cuartil

n+1 / 4

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11

Tercer cuartil

3(n+1) / 4

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12

z

xi-x / s

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13

CV

(s/x) 100

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14

Varancia=s²

E(xi-x)²/ n-1

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15

Desviación estandard=s

|s²

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16

Rango

Xmayor-Xmenor

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17

Rango interactuil

Q3-Q1

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18

media poblacion

Exi / n

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19

Varianza Poblacion

o²=E(xi-m)² / N

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20

Desviacion Poblacion

o=|o²

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21

(M-o,M+o)

Chebyshev

Almenos 0%

Empirica

Aproximadamente 68%

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22

(M-2o,M+2o)

Chebyshev

Almenos 75%

Empirica

Aproximadamente 95%

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23

(M-3o,M+3o)

Chebyshev

Almenos 88.89%

Empirica

Aproximadamente 99-7%

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