Tema 4 Flashcards

1
Q

Def vector aleatorio multinomial

A

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2
Q

Función de probabilidad de M

A

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3
Q

Función de probabilidad de M Dem

A

.

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4
Q

Función generatriz de momentos de M + Dem

A

.

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5
Q

La distribución marginal de cualquier Xi es binomial (M)

A

.

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6
Q

Una parte del vector sigue siendo M

A

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7
Q

Momentos (M)

A

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8
Q

EXi = npi

A

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9
Q

V ar(Xi) = npi(1 − pi)

A

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10
Q

Cov(Xi, Xj) = −npipj

A

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11
Q

Coeficiente de correlación lineal entre sus componentes (M)

A

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12
Q

Reproductividad + Dem (M)

A

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13
Q

Distribuciones condicionadas + Dem(M)

A

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14
Q

Curva de Regresión + Dem (M)

A

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15
Q

Def vector aleatorio normal n- dimensional

A

.

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16
Q

Función Generatriz de momentos (N) + Dem

A

.

17
Q

EX = μ y V ar(X) = Σ Caracterización

A

.

18
Q

Función de densidad + Dem(N)

A

.

19
Q

Caso bidimensional (N) + Dem

A

.

20
Q

Caso singular (N)

A

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21
Q

cualquier subvector de un vector normal n-dimensional es normal multidimen- sional

A

.

22
Q

Bajo normalidad multivariante, la incorre- laci ́on implica independencia

A

.

23
Q

Las distribuciones condicionadas de las componentes de una distribuci ́on normal multiva- riante son tambi ́en normales multivariantes

A

.

24
Q

Tambi ́en en el caso bidimensional (no singular), las curvas de regresi ́on son lineales

A

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