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Cours 11 : Les tests non-paramétriques Flashcards

(6 cards)

1
Q

À quoi sert le test de Mann-Whitney (U)

A

À mesurer les différences entre les moyennes pour deux groupes indépendants

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2
Q

Vrai ou faux, le Mann-Whitney est utilisé lorsque la distribution des groupes à comparer est très asymétrique

A

Vrai

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3
Q

Comment est annoté la taille d’effet pour le U

A

r

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4
Q

Qu’est-ce que la test de Wilcoxon

A

Calcul la différence entre les scores de deux conditions appariées qui est mise en rang

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5
Q

Qu’est-ce que le test de Kruskal-Wallis permet de calculer (statistique)

A

H (dl = k-1)

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6
Q

À quoi sert la corrélation de Spearman p (rho)

A

À calculer la relation linéaire entre deux variables

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