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Supposons que le test du coefficient soit conduit à un seuil de 5%. Quelle(s) affirmation(s) est (sont) vraie(s)? (i) Le seuil de significativité est égal à la taille du test. (ii) Le seuil de significativité est égal à la puissance du test. (iii) 2,5% de la distribution totale sera comprise dans chacune des deux zones de rejet, s'il s'agit d'un test bilatéral. (iv) 5% de la distribution totale sera comprise dans chacune des deux zones de rejet, s'il s'agit d'un test bilatéral.

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