Module 1-4 Flashcards

1
Q

Discrète

A

Quantité isolé (pas une fraction)

Ex: nb de personne

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2
Q

Continue

A

Exprimé en fraction

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3
Q

Mutuellement exclusive

A

Chaque observation peut être dans une seule classe seulement

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4
Q

Collectivement exhaustives

A

Chaque observation est obligatoirement dans une classe

Comprend toutes les options

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5
Q

Échelle de classification

A

Nominale (normale, anormale)
Ordinale (très haute, haute, peu élevé, basse)
Par intervalle

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6
Q

Mèdiane

A

Divisé en 2 partie égales
N+1/2
N: nb observation

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7
Q

Mode

A

Valeur qui revient le plus souvent

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8
Q

Étendue

A

Différence entre la valeur la plus grande et plus petite

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9
Q

Quantiles

A

Diviser l’ensemble en un certain non de parties égales

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10
Q

Variance

A

Distance de chaque valeur p/r à la moyenne

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11
Q

Écart type

A

Racine carrée de la variance

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