tema 2 variables aleatorias Flashcards

1
Q

def distribucion normal

A

para una alta probabilidad

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2
Q

los contrastes que se utilizan mas para la distribucion normal

A

-shapiro wilkinson
-kormagorov smirnov

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3
Q

como se representa la distribucion normal ?

A

con una grafica a curva simetrica que parece a una campana

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4
Q

donde se localiza el centro de la campana en la distribucion normal?

A

se localiza por h

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5
Q

por que es la amplitud en la distribucion normal?

A

por la varianza o2

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6
Q

donde se localizan las valores mas probables en la distribucion normal?

A

en torno a la media

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7
Q

def distribucion binomial

A

solo 2 resultados posibles : si o. no

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8
Q

como son las observaciones en la distribucion binomial?

A

son independientes

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9
Q

como es la probabilidad de que occure un fenomeno entre observaciones en una binomial ?

A

constante

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10
Q

def distribucion de poisson

A

modelo para las variables de tipo conteo

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11
Q

def chicuadrado

A

prueba de hipotesis que determina si 2 variables son relacionadas o no

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12
Q

funcion de distribucion de probabiblidad

A

variable aleatoria discreta

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13
Q

funcion de densidad

A

variable aleatoria continua

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14
Q

que contiene la foncion de densidad

A

toda la informacion sobre la variable

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