4.Variabili e distribuzioni Flashcards

1
Q

definizione di variabile

A
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2
Q

def variabile qualitativa (+nominale/ordinale)

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3
Q

def variabile quantitativa (+discreta/continua)

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4
Q

variabile esplicativa e di risposta

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5
Q

def variabile aleatoria (+discreta/continua)

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6
Q

distribuzione di probabilità e funzione di ripartizione

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7
Q

definizione di momento (1 e 2 ordine)

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8
Q

1 ordine e valore atteso

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9
Q

2 ordine e varianza

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10
Q

funzione generatrice di momenti

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11
Q

varianza di una variabile x discreta

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12
Q

varianza di una variabile x continua

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13
Q

valore atteso della variabile di scarto

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14
Q

indice di simmetria o Skewness

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15
Q

indice di curtosi o Kurtosis

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