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Quel test statistique utiliseriez-vous pour comparer la consommation maximale d'oxygène de 50 sujetes avant et après un programme d'entraînement sur ergocycle d'une durée de 20 semaines.A.Un test t de Student indépendantB.Un test t de Student pour données appariées (paired t-test)C.Une analyse de variance à mesures répétéesD.Un test de corrélation de Pearson

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